PD-77AESG-06-03A AF Womens Boot TEMP_FINAL_21 Sep 2018.pdf

NOT MEASUREMENT SENSITIVE

PD 77AESG-06-03A

29 June 2018

SUPERSEDING

PD 77AESG-06-03

10 July 2008

PURCHASE DESCRIPTION

BOOT, WOMAN’S, COMBAT, TEMPERATE WEATHER, AIR FORCE

This Purchase Description is approved for use by the Air Force and is available for use by all departments and agencies of the Department of Defense.

Prepared by

AFLCMC/WNU

1981 Monahan Way Wright-Patterson AFB, OH 45433-7017

Comments, suggestions, or questions on this document should be addressed to ASC/WNUV, Air Force Uniform Office Liaison at NSSC, 10 General Greene Ave., Natick Soldier Systems Center, Natick, MA 01760, or emailed to donald.f.fleury.civ@email.mil.

AMSC N/A FSC 8430

DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited.

mailto:donald.f.fleury.civ@email.mil

1. SCOPE

1.1 Scope. This document covers the requirements for a boot, woman’s combat, temperate weather, Air Force to be worn by female personnel of the U. S. Air Force.

1.2 Classification. The boots shall be of the following sizes and types, as specified (see 6.2):

1.2.1 Sizes. The boot shall be in the following whole and half sizes and widths:

5 through 9 inclusive and whole sizes 4, 10 and 11 Widths: R, W (D, EE).

Women’s boots will contain an “F” in the model/style and size numbers to differentiate them from the men’s boots (ex.: F650, 8RF).

1.2.2 Types.

Type I – Coyote 498 Type II – Air Force Sage Green 1641

2. APPLICABLE DOCUMENTS

2.1 General. The documents listed in this section are specified in sections 3 and 4 of this purchase description. This section does not include documents cited in other sections of this purchase description or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements cited in sections 3 and 4 of this purchase description, whether or not they are listed.

2.2 Government documents.

2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this purchase description to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract.

COMMERCIAL ITEM DISCRIPTIONS

A-A-55093 Laces, Footwear

DEPARTMENT OF DEFENSE SPECIFICATIONS

MIL-C-41814 Counter, Footwear MIL-DTL-32075 Label: For Clothing, Equipage, and Tentage (General Use) MIL-PRF-3122 Leather, Cattlehide, for Footwear for Uppers and Gussets, Chrome Tanned Fatliquored MIL-W-17337 Webbing, Textile, Woven Nylon

(Copies of these documents are available online at http://quicksearch.dla.mil.)

2.2.2 Other Government documents, drawings, and publications. The following other Government documents, drawings and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation or contract.

DRAWINGS

Defense Logistics Agency (DLA) Troop Support

2-1-1635 Speed Lace Assembly (Copies of this document are available from the DLA Troop Support, 700 Robbins Avenue, Philadelphia, PA 19111-5096.)

ENVIRONMENTAL PROTECTION AGENCY

Regulations for the Enforcement of the Federal Insecticide, Fungicide and

Rodenticide Act (40 CFR Part 162)

(Copies are available online at http://www.epa.gov.)

RULES AND REGULATIONS

ENVIRONMENTAL PROTECTION AGENCY (EPA)

Office of Pesticide Programs List of Chemicals Evaluated for Carcinogenic Potential

(Copies of this document available from lormand.mary-jean@epa.gov.)

2.3 Non-Government documents. The following other documents form a part of this document to the extent specified herein. Non-Government standards and other publications are normally available from the organizations that prepare or distribute the documents. These documents also may be available in or through libraries or other informational services. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract.

THE AMERICAN ASSOCIATION OF TEXTILE CHEMISTS AND COLORISTS

(AATCC)

AATCC 22 Water Repellency: Spray Test AATCC 127 Water Resistance: Hydrostatic Pressure Testing

(Copies of the AATCC Technical Manual are available online at http://www.aatcc.org.)

ASTM INTERNATIONAL

ASTM D297 Standard Test Methods for Rubber Products – Chemical Analysis

ASTM D412 Standard Test Methods for Vulcanized Rubber and Thermoplastic Elastomers – Tension

ASTM D471 Standard Test Method for Rubber Property – Effect of Liquids ASTM D624 Standard Test Method for Tear Strength of Conventional

Vulcanized Rubber and Thermoplastic Elastomers mailto:lormand.mary-jean@epa.gov

ASTM D751 Standard Test Method for Coated Fabrics ASTM D1052 Standard Test Method for Measuring Rubber Deterioration –

Cut Growth Using Ross Flexing Apparatus ASTM D1777 Standard Test Method for Thickness of Textile Materials ASTM D2208 Standard Test Method for Breaking Strength of Leather by the

Grab Method ASTM D2240 Standard Test Method for Rubber Property – Durometer

Hardness ASTM D3273 Standard Test Method for Resistance to Growth of Mold on the

Surface of Interior Coatings in an Environmental Chamber ASTM D3574 Standard Test Methods for Flexible Cellular Materials – Slab, Bonded, and Molded Urethane Foams ASTM D3575 Standard Test Methods for Flexible Cellular Materials Made from Olefin Polymers

ASTM D3776/

D3776M

Standard Test Method for Mass Per Unit Area (Weight) of Fabric

ASTM D3787 Standard Test Method for Bursting Strength of Textiles – Constant-Rate-of-Traverse (CRT) Ball Burst Test

ASTM D3886 Standard Test Method for Abrasion Resistance of Textile Fabrics (Inflated Diaphragm Apparatus)

ASTM D4786 Standard Test Method for Stitch Tear Strength, Single Hole ASTM D4966 Standard Test Method for Abrasion Resistance of Textile

Fabrics (Martindale Abrasion Tester Method) ASTM D5963 Standard Test Method for Rubber Property-Abrasion Resistance

(Footwear Abrader) ASTM E96 Standard Test Methods for Water Vapor Transmission of

Materials ASTM F392 Standard Test Method for Flex Durability of Flexible Barrier

Materials

(Copies of these documents are available online at http://www.astm.org.)

SATRA TECHNOLOGY CENTRE FOOTWEAR TECHNOLOGY TEST

METHODS

SATRA STD 184H Whole Shoe Flexing Machine (testing high leg boots)

SATRA STD 185/S

or 185 Sole Adhesion Tester

SATRA TM2 Tensile Properties of Insole Materials SATRA TM3 Flexing Index SATRA TM31 Abrasion Resistance – Martindale Method SATRA TM64 Compression Set – Constant Stress Method SATRA TM77 Flexing Machine – Water Penetration Test SATRA TM80 Transverse Tensile Strength of Sheet Materials SATRA TM83 Measurement of The Area Shape Retention and Collapsing

Load of Formed Toe Puff and Stiffener Materials SATRA TM98 Dimensional Stability with Changes in Atmospheric

Humidity SATRA TM101 Surface Peel Strength of Inside Materials http://www.astm.org/

SATRA TM144 Friction (Slip resistance) of Footwear and Floorings SATRA TM223 Floor Marking by Solings or Top Pieces

(Applications for copies of SATRA Test Methods may be obtained online at http://www.satra.co.uk)

AMERICAN NATIONAL STANDARDS INSTITUTE/AMERICAN SOCIETY

FOR QUALITY CONTROL (ANSI/ASQ)

ANSI/ASQ Z1.4 Sampling Procedures and Tables for Inspection by Attributes

(Copies of this document are available online at http://www.asq.org.)

NATIONAL FIRE PROTECTION ASSOCIATION 1971 (NFPA 1971)

Standard on Protective Ensembles for Structural Firefighting and Proximity Fire Fighting (2007 Edition)

(Application for a copy of this document may be obtained online at http://www.nfpa.org.)

INFORMA HEALTHCARE (PUBLISHER)

Principles and Methods of Toxicology (fourth edition), 2001; Wallace Hayes (editor); Repeat Insult Patch Test, pp 1057 – 1060

(Copies of this document are available online at http://www.taylorandfrancis.com/.)

INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO)

ISO 11664-2 Colorimetry – Part 2: CIE (International Commission on Illumination) Standard Illuminants

(Copies of this document may be obtained online at http://www.iso.org/iso/home/standards.htm.)

2.4 Order of precedence. In the event of a conflict between the text of this purchase description and the references cited herein, the text of this purchase description takes precedence. Nothing in this purchase description, however, supersedes applicable laws and regulations unless a specific exemption has been obtained.

3. REQUIREMENTS

3.1 First article. When specified (see paragraph 6.3) samples shall be subjected to first article inspection in accordance with the contract or solicitation (see 4.2).

3.2 Recycled, recovered or environmentally preferable or bio-based material.

Recycled, recovered, environmentally preferable, or bio-based materials should be used to the maximum extent possible, provided that the material meets or exceeds the operational and maintenance requirements, and promotes economically advantageous life cycle costs.

http://www.satra.co.uk/ http://www.asq.org/ http://www.nfpa.org/ http://www.taylorandfrancis.com/ http://www.iso.org/iso/home/standards.htm

3.3 Boot design and construction. The boot shall be constructed of cattle-hide or equal (see 6.5) for the upper leather and shall have nylon quarters and a nylon gusset, a closed cell comfort collar, a backstay and an ankle reinforcement strap (see Figures 1 and 2). The boot shall weigh less than 2.2 pounds per boot for a Size 8 RF. The outside leather areas shall be flesh out, the inside eyelet stays shall be grain out. The boot shall have a partial speed-lace closure system design, with “V” notch, and removable cushion inserts (see Figures 1 and 2). The boot shall be manufactured using direct molded sole (DMS), welt, stitch-down, or injected molded process and shall be capable of being resoled throughout its lifecycle. The color of the leather and all other components shall be a good match to the type color (1.2.1) selected. The color of the rubber sole, cushion midsole, solid midsole, and toe and heel caps shall be a good match to the type color (1.2.1) selected. The Air Force Sage Green 1641 standard sample for color shade and leather appearance shall be a swatch of cattle-hide leather matching the sage green present in the Air Force approved digital tiger-stripe camouflage print. The Coyote cattle-hide sample swatches shall match the established Coyote 498, Roll #3898 Leather, Color Chip #20150 and visible fabrics Coyote 498 Roll #3894 Cloth, Duck, Nylon 1000D shade color standards. All upper materials visible to the wearer shall be a good match the color of the leather. Component materials shall not vary in their color or appearance, and shall be non-toxic. Materials shall be free of non-removable spots, stains, or other foreign matter effecting appearance.

3.3.1 Upper leather. The leather shall be breathable, waterproof, flame resistant, flesh out drum dyed with type color selected (see 1.2.1) penetrating throughout the thickness of the hide. The leather for the vamps, outside counter-pockets, ankle reinforcements and inside eyelet stays shall conform to MIL-PRF-3122, Type I, Treatment A/B. The upper leathers shall have the following exceptions to MIL-PRF-3122:

a. The flesh surface shall be sueded as to produce a fine uniform nap.

b. The grain surface shall be lightly buffed to remove the surface of the grain only

c. The finish requirements for the leather shall not apply.

d. The thickness shall be as specified for the cut parts in Table IX.

3.3.2 Insoles. The insole shall meet the requirements specified in Table I.

Table I. Insole performance requirements.

0BCharacteristics 1BPhysical Requirements Thickness, inches (min) (all constructions)

0.090

Fungal Resistance, rating scale level (0-10)

Level 10

Wet Tensile, kgf/cm2 (min) 70 Flexing Index, cycles (min) 3.7 (5000) Abrasion Resistance Non-Woven board, revs(min) Dry Wet

25,600

Transverse Tensile-Dry, kgf/cm2 (min)

Dimensional Stability, % (max)

0.7

Peel Strength, kgf/cm2(Min) 0.5

3.3.3 Fabrics.

3.3.3.1 Bootie lining. The bootie lining shall be constructed from pattern pieces cut from waterproof three-layer laminate material.

3.3.3.1.1 Three-layer laminate. The three-layer laminate lining shall consist of a textile face, a waterproof film, and a tricot knit cloth. The package shall conform to the requirements in paragraphs 3.3.3.1.1.2, 3.3.3.1.1.3 and 3.3.3.1.1.4. The three-layer laminate shall conform to the requirements specified in Table II, when tested as specified in paragraph 4.4.1.

3.3.3.1.1.2 Face layer. The color of the face side shall be approximately gray herringbone or equal, based on Government approval. The face shall consist of a textile layer that meets the Martindale Abrasion and Burst Strength performance criteria listed in Table II, when tested as specified in paragraph 4.4.1.

3.3.3.1.1.3 Waterproof film. The waterproof film shall be polytetrafluorethylene, microporous.

3.3.3.1.1.4 Tricot knit. The tricot knit cloth shall be nylon. The weight shall be 1.0 (± .10) ounce per square yard. The color shall be natural.

3.3.3.2 Adhesive. The adhesive for laminating the layers together shall be such that the laminate cloth will meet the requirements of this specification. The adhesive shall have no adverse health hazard when used as intended.

3.3.3.3 Laminated cloth. The single layer package specified in 3.3.3.1.1.1 shall be laminated to one side of the waterproof film and the tricot knit cloth shall be laminated to the other side of the waterproof film. The cloth shall conform to the requirements specified in Table II, when tested as specified in 4.4.1.

Table II. Laminated Cloth Performance Requirements.

2BCharacteristics 3BRequirements Martindale Abrasion Fabric Only; Dry, revs/cycles (min)

153,600 revs per 9,600 cycles

Bursting Strength Fabric Only, lbf (min) 125 Hydrostatic Resistance (psi) (min) Liner cloth (initial) 50 At Seam 50 After Synthetic Perspiration 50 After Diesel Fuel Oil 50 Water Permeability/ Resistance Liner cloth (initial) no leakage At Seam no leakage After Synthetic Perspiration no leakage After Diesel Fuel Oil no leakage Abrasive Durability Back/leather side (cycles to leak) 600 cycles; no leakage Moisture Vapor Transmission Rate, (min) (MVTR) (g/m2/24 h)

B method 640 BW method 4,000 Flex Durability, (min) Gelbo (cycles to leak) 3,000 cycles; no leakage Wet (hrs to leak) 24 Wet (hrs to delamination) 96

3.3.3.4 Binding tape. Binding tape shall be used on all exposed edges of the 1000 denier nylon material. The color shall be a good match to the type color selected (1.2.1) and shall be a good match to the leather of the standard sample (see 3.3). The binding tape shall be bound to the nylon fabric for the life of the item, and shall not affect footwear comfort or overall item performance.

3.3.4 Comfort top band. The comfort top band shall have a length equal to the circumference of the boot top, exclusive of the gusset/tongue, and shall provide the necessary padding for user comfort. The band width shall be 1 inch wide ± 1/4 inch of equal height around the top of the boot as shown in Figures 1 and 2. The padding shall not absorb liquids, shall not be susceptible to hydrolysis, shall have a compression set such that comfort is provided for the life of the item and shall not promote fungal or bacterial growth. The material for the exterior of the comfort top band shall match the requirements of 3.3.5.

3.3.5 Gusset and quarter side panels. The gusset and quarter side panels shall be 100% nylon 6.6 or equal; 2x2 basket weave; 140 filaments per inch of 1,000 denier in both warp and filling direction; weighing 13.7 (+ 1.3) oz/sq yd. The color shall be a good match to the type color selected (1.2.1) matching that of the standard sample (see 3.3). The material shall be fungal resistant, water resistant and backed with a polytetrafluorethylene, microporous membrane. The two-layer material shall conform to the physical requirements listed in Table III when tested as specified in paragraph 4.4.1. Tear strength of the material shall be such that normal use and wear does not cause undue damage to the quarter panels. The top of the backstay shall be folded over the quarter side panels, stitched and shall have a clean finished appearance. Construction of the end item shall be such that the seam strength between the 1000-denier nylon and all other components is acceptable for the life of the item.

TABLE III. Gusset and quarter side panel fabric requirements.

4BCharacteristics 5BRequirement

Weight, oz/sq yd 13.7 (±1.3) Water Repellency, grade 90, 90, 90r Moisture Vapor Transmission, g/m²/24 h

Not less than 500

Tear Strength, lbs (min) 34

3.3.5.1 Spectral reflectance. The reflectance values for nylon gusset and quarter side panels shall meet the requirements listed below in Table IV and tested as specified in 4.4.2.

TABLE IV. Spectral reflectance requirements.

6BWavelengths 7BNanometers

8BType Color Selected 9BMin 10BMax

600 13 23 620 13 23 640 14 24 660 14 26 680 12 32

TABLE IV. Spectral reflectance requirements - continued.

11BWavelengths 12BNanometers

13BType Color Selected 14BMin 15BMax

700 18 38 720 20 42 740 24 44 760 26 46 780 29 52 800 34 57 820 36 62 840 38 63 860 40 64

3.3.6 Backstay tape. The backstay strap shall be cut from 1-inch wide nylon webbing conforming to MIL-W-17337, class 1 or 2. The webbing shall be a good match to the type color selected (1.2.1)

3.3.7 Box toe. The box toe material shall be a laminate of 0.020 (+ 0.002) inch virgin ionomer resin (surlyn) sandwiched between two layers of non-woven polyester saturated with polystyrene. The total thickness shall be 0.056 (+ 0.005) inch. The box toes shall be skived 3/8 (+ 1/8) inch wide at the breast. A thermoplastic box toe may be used and shall conform to the performance requirements of Table V.

3.3.8 Counters. The boot shall be constructed such that the counters minimize “hot spots” or blisters to the user. The counter shall conform to fit the last used and fill the counter pocket area. The counters shall meet the requirements of MIL-C-41814. The requirement for single-hole tear strength is eliminated. As an alternative, counters manufactured from leather board need not meet the chemical requirements of MIL-C- 41814 but must meet the fungicide requirements of MIL-PRF-3122. Skiving of the counters shall be in accordance with commercial practice.

3.3.8.1 Counters (alternate)/Box Toe (Alternate). An extruded thermoplastic film sandwiched between fusion bonded non-woven fabric made from a blend of synthetic fibers and impregnated with a styrene copolymer and coated on each side with a thermoplastic adhesive may be used. A thermoplastic counter may be used and shall conform to the requirements of Table V.

Table V. Counter requirements.

16BCharacteristics 17BRequirement

Initial Collapsing Load (N) 130 Resilience (%) (% retention of initial collapsing load after ten collapses)

Table V. Counter requirements – continued.

18BCharacteristics 19BRequirement

Moisture Resistance (%) (% retention of initial dry collapsing load after one hour immersion)

Area Shape Retention (%) Initial 85 10th collapse 60

3.3.9 Shank. The steel or fiberglass shanks shall be bonded to the insole and shall conform to the shape of the last. The fiberglass shank (glass and resin area), when cured, shall be 5/8 (+ 1/16) inch in width. The steel shank shall be constructed from 19 gauge, cold rolled carbon steel with a hardness ranging from 47 to 54 Rockwell C scale. The width of the steel shank shall be 5/8 (+ 1/32) inch for boot sizes 3 through 6-1/2 (all widths), 7 through 8-1/2 N, and all R widths. For all other sizes and widths, the steel shank width shall be 1 (+ 1/32) inch. The shank shall be made with two ribs for the 5/8 inch width and three ribs for the 1 inch width.

3.3.10 Eyelets and speed laces. There shall be a minimum of two pair of bottom eyelets, size AA at the base of the eyelet/speed lace assembly. (See Figures 1 & 2) The eyelets and speed laces shall be brass with a nylon subdued finish, and shall be a good match to the type color selected of the leather standard sample (see 3.3). The nylon subdued finish shall be durable enough to remain on the eyelets and speed laces for the life of the item. The eyelets and speed laces shall not rust, tarnish, or otherwise change the subdued finish color for the life of the item. Eyelet attachment shall be such that they remain permanently fixed to the upper. Adjustments shall be made such that all sizes allow users to easily use the speed lace system and that proper closure of the boot is achieved.

Speed loops and eyelets shall be equally spaced on the eyelet stays to allow proper lacing and cinching of the boot for donning and doffing and shall have the same alignment between both rows.

3.3.11 Speed lace configuration and assembly. The speed lace assembly shall be in accordance with drawing 2-1-1635 and the subdued finish color shall last for the life of the boot. Eyelet and speed lace attachment shall be such that they remain permanently fixed to the upper. Adjustments shall be made such that all sizes allow users to easily utilize the speed lace system and proper closure of the item is achieved. Speed laces and eyelets shall be equally spaced on the eyelet stays to allow proper lacing and cinching of the boot for donning and doffing, and shall have the same alignment between both rows. The speed laces shall be placed in a position so they do not cause hot spots, blisters, or other irritation for the wearer.

3.3.12 Quarter foam. There shall be quarter foam, 3/16 (+ 1/32) inch thick, located next to the bootie lining. The foam shall cover the counter area and extend upward to within two inches from the top of the boot.

3.3.13 Midsole. The midsole for use with stitch-down and welt constructions shall be 4 (- 1/2 to +1 iron), in the type color selected, oil resistant, and shall meet the requirements of Table VI. The DMS construction midsole (base sole) shall be 1/4 (±1/16) inch, measured from the top of welt line to the bottom of the midsole. The color shall be a good match to the boot type color selected of the leather standard sample (see 3.3).

3.3.14 Cushion midsole. The midsole shall provide the necessary stability, durability, and overall performance of the item and shall meet the requirements specified in

3.3.14.1. The color shall be a good match to type color selected (1.2.1) of the standard sample (see 3.3).

3.3.14.1 Cushioned midsole polyether polyurethane requirements. The requirements for the pure polyether polyurethane are based on testing done on slabs and are not actual midsoles. The requirements shall be as specified in Table VI, when tested as specified in Table XI.

Table VI. Polyether polyurethane physical requirements.

20BCharacteristics 21BMinimum 22BMaximum Density, gm/cc 0.40 0.60 Hardness (Shore A) 50 75 Tensile strength, kgf/cm2 25 — Elongation (%) 250 — Tear strength, kg/cm Die T 3.7 — Volume swell, % w/IRM Oil #3 (@ 24 h) — 10 Compression Set, % — 20 Ross flex (% @ cycles) (1 x 6 inch) @ -5oC

— 900 @ 150,000

3.3.15 Outsole. The outsole design shall be the Quabaug Vibram 360-Degree Lug

Model 1340 design or an equal Government approved design with equivalent durability (see Figure 3). The color shall be a good match to the type color (1.2.1) selected. The outsole shall be a minimum of 18-iron (9.5mm) in thickness of solid rubber throughout, including any of the lugs, and meet the requirements of 3.3.15.1. The color of the Vibram identification plug shall be a good match to the type color selected, matching that of the standard sample (see 3.3).

3.3.15.1 Rubber compound requirements. The requirements for the rubber outer-soles are based on the testing performed on 0.250 or 0.070 gauge inch test slabs (in accordance with ASTM procedures) and are not actual soles. There may be some deviation on actual outer-soles or midsoles based on style thickness and curing parameters.

The requirements shall be as specified in Table VII, when tested in accordance with paragraph 4.4.1.

Table VII. Rubber compound (outsole) requirements.

23BCharacteristics 24BOutsole DIN abrasion, max 180

Hardness (Shore A durometer) 57-67 A Stitch Tear (Dry), lbs min 300

Stitch Tear (Fuel B), lbs min 50 Tear strength, Die C, lbs min 250

Ross flex, IRM Oil #3, (% max @ flexes)

250 @ 50,000

Volume swell, Fuel B (@ 46 h), % max 70 Non-marking Pass

Tensile, lbs min 2,100 Elongation, % min 400

Cold Flex (@ -23°C) (% min @ flexes) 500 @ 7,500 Transitional Hardness (2 h @ -23°C) Max change ± 10 point above

Slip Index, min Cold/Ice - Rough ice method Quarry Tile, Wet

0.20 0.50

3.3.16 Bond strength. The bond achieved between any of the bottoming layers (midsole, cushion midsole, and outsole) to include the boot upper shall be permanently resistant to any delamination.

3.3.16.1 Entire sole to upper (DMS and including injection molded process). The bond strength (at the ball) shall not be less than 130 pounds. Test shall be performed on the end item as specified in paragraph 4.7.4. When 5 end items are tested, no more than one test item may fall below 130 pounds, and no values shall fall below 110 lbs.

3.3.16.1.1 Solid midsole to cushion midsole bond strength. The solid rubber midsole or base sole to cushion midsole bond strength shall be not less than 100 pounds when tested as specified in paragraph 4.7.1. The test shall be performed on the end item.

3.3.16.1.2 Outer-sole to cushion midsole bond strength. The outer-sole to cushion midsole strength shall not be less than 100 pounds when tested as specified in paragraph

4.7.1. The test shall be performed on the end item. When 5 end items are tested, no more than one test item may fall below 100 pounds. No recorded values shall fall below 80 pounds. The components of the sole shall be layered in such a manner that the specified bond strengths will be achieved regardless of the type of sole construction (i.e. 3 layer or injected molded process). If test results are less than specified due to failure of bond strength between layers, the end item shall fail.

3.3.16.2 Adhesion at toe (DMS only). The bond strength at the toe area of the sole shall not be less than 50 pounds, with the exception that one specimen out of the five tested may be below 50 pounds, but not less than 40 pounds. Testing shall be as specified in paragraph 4.7.5

3.3.17 Removable cushion insert. The removable cushion insert shall be a low-density polyurethane heel cup support made of a polyurethane system, black in color, and molded to a cloth, black, or the type color (1.2.1) selected. The fabric top cover shall meet the abrasion and bursting strength performance requirements in Table VIII. Cushioned inserts shall be properly mated to the item with the last used in the manufacturing of the item. Cushion inserts shall be mated, by size, to the correct size boots and shall be uniform. The removable cushion insert shall meet the following requirements when tested in accordance with Table VIII when tested in accordance with 4.7.4.

Table VIII. Removable cushion insert requirements.

25BCharacteristics 26BPhysical Requirements Density, lbs/cu ft 16-20 Thickness (inches) Forward of the instep (min) Elsewhere (min)

0.100 0.220

Foam Hardness, Shore 00 55-65 Tensile strength, psi more than 80 Compression set (%) @ 25% less than 5 Compression set (%) @ 50% less than 5 Fabric Top Cover, (rev/cycles, min) Martindale Abrasion: Fabric Only;

Dry

153,600 /9,600

Bursting Strength, lbf (min) Fabric Only 125

3.3.18 Whole boot Moisture Vapor Transmission Rate (MVTR). The whole boot breathability shall not be less than 3.5 grams/hour when tested in accordance with paragraph 4.7.3., three boots shall be tested. The average whole boot MVTR from the 3 boots tested shall be equal to or greater than 3.5 grams/hour.

3.3.19 Laces. The laces shall conform to Type III, class 1 of A-A-55093. The color shall be a good match to the leather standard (see 3.3) type color selected (1.2.1). The length of the laces shall be a minimum of 72 inches long for size 4, 87 inches for sizes 5 thru 9-1/2, and 97 inches for sizes 10 and 11.

3.3.20 Thermal protection. The boots shall be tested for flame, heat, and liquid penetration resistance as specified in paragraph 4.4.6.

3.3.20.1 Flame resistance. The boots shall meet the Flame Resistance Test Four requirements of NFPA 1971, Standard on Protective Ensemble for Structural Firefighting, 2007 Edition. The areas of the boot to be tested are in accordance with Figure 8-5.5.2 of NFPA 1971; however, a sixth area is added to include the nylon quarter side panels and the results to be included in the test report. The requirement that the boot shall not melt or drip does not apply, although the boot shall not exhibit any burn-through (reference: Sections 7-

10.1 and 8.5.5). The boot will be considered to have failed the burn-through test when burn-through is observed through all layers of the quarter panel and lining components.

The rubber outsole is not subject to the flame resistance requirements.

3.3.20 2 Upper heat resistance. The boots shall meet the Thermal Conductive Heat Resistance Test One requirements of NFPA 1971, Standard on Protective Ensemble for Structural Firefighting, 2007 Edition (NFPA 1971, section 7-11).

3.3.20.3 Sole heat resistance. The boots shall meet the Thermal Conductive Heat Resistance Test Two requirements of the NFPA 1971, Standard on Protective Ensemble for Structural Firefighting, 2007 Edition (NFPA 1971, section 7-12).

3.3.20.4 Liquid penetration resistance. The boots shall meet the Liquid Penetration Resistance Test requirements of the NFPA 1971, Standard on Protective Ensemble for Structural Firefighting, 2007 Edition (NFPA 1971, section 7.10.4, and tested per section 8- 28, specific testing to #4, surrogate gasoline fuel C, as defined in ASTM D471, standard test method for rubber properties, effect of liquids, using a 50% percent by volume of the toluene and iso-octane).

3.4 Design. The height of the finished boot, measured from the bottom of the heel tread to the top of the back of the boot, shall be 9-¾ ± ½ inches on size 10RF and shall graduate up and down between sizes and widths. See para 4.7.6.

3.5 Lasts. The boots shall be made on a last specifically designed for women. The numerical size of the boot shall correspond with numerical size of the last used to produce the boot (i.e. a size 10R boot shall be produced on a size 10R last). Last design shall accommodate for the cushion insert that will be used with the women’s end item.

3.6 Construction.

3.6.1 Cutting uppers. The leather shall conform to the requirements of MIL-PRF- 3122 and the thickness specified in Table IX. With the exception of the eyelet stays, none of the upper parts shall be split or shaved. Vamps shall be cut from the bend area of the side leather. The inside eyelet stays shall be placed grain side exposed.

Table IX. Required thickness of leather uppers (ounces).

27BPart 28BMinimum 29BMaximum Vamp 5 6 Outside Counter Pocket 4 6

Table IX. Required thickness of leather uppers (ounces) - continued.

30BPart 31BMinimum 32BMaximum Eyelet stay 3 4 Ankle Reinforcement 4 6

3.6.2 Skiving. Skiving of upper leather parts is permitted. Skiving of the top edge of the outside counter-pocket shall not be permitted.

3.6.3 Boot finishing. Top finishing shall not be used.

3.7 Leakage. The finished boots shall be tested for leakage as specified in paragraph 4.7.2.

3.8 Marking, permanent identification. The Contractor shall permanently mark the correct size, width, and contract number (Example: 04-D-1234) on the inside of the gusset/tongue area. The marking may be in the form of a label and shall be done in accordance with acceptable commercial practices, and it shall not reduce footwear functionality. The boot shall contain a manufacturing tracking lot number and the wording “AF Safe to Fly” on the label. Unit packs will include NSN and UPC bar codes as specified in the contract. Each symbol must be human and scanner readable.

3.8.1 Instruction/label tag. The instruction/label tag shall be tied to the finished boots, and the print size shall be 1/8 (+1/32) inch. The instruction/label tag shall be printed using the data specified in Figure 4. Each item shall be individually bar-coded with a Type VIII, Class 17, label/tag of MIL-DTL-32075. The bar-coding element shall be a 13 digit national stock number (NSN). The bar-code type shall be a medium to high code density.

It shall be located so that it is completely visible on the item when it is packaged as specified in the contract and in a manner that causes no damage to the item. As an option, a hang tag identifying the features of the boot is permitted.

3.9 Toxicity. The finished boot shall not present a health hazard and shall show compatibility with prolonged, direct skin contact when tested as specified in 4.4.3. If requirement can be demonstrated with historical use data, toxicity testing may not be required (see 6.3). Chemicals recognized by the Environmental Protection Agency (EPA) as human carcinogens shall not be used.

3.10 Workmanship. The finished boots shall conform to the quality of product established by this document. The occurrence of defects shall not exceed the contractor's own quality assurance standards or affect proper function or appearance of the boot.

4. VERIFICATION

4.1 Classification of inspections. The inspection requirements specified herein are classified as follows:

a. First article inspection (see 4.2).

b. Quality conformance inspection (see 4.4).

4.2 First article inspection. When a first article is required (see 3.1 and 6.3), it shall be as specified for compliance with design, construction, workmanship, and dimensional requirements. The presence of excessive defects, as specified in 4.4.5, or failure to pass any test shall be cause for rejection of the first article.

4.3 Component and material inspection. Components and materials shall be inspected in accordance with all the requirements of referenced specification, drawings, and standards unless otherwise excluded, amended modified or qualified in this purchase description.

4.3.1 Component testing. In addition to any testing required by 4.4.6, components listed in Table XI shall be tested for the characteristics noted. The lot shall be unacceptable if one or more sample units fail to meet any test requirement specified. The sampling plan for required component testing shall be as follows:

Table X. Sampling for required component testing.

33BLot size (units) 34BSample size 35BLess than 800 36B2 37B800 to 22,000 38B5

39B22,001 and above 40B8

4.4 Quality conformance inspection. Conformance inspection shall consist of all examinations and tests of this purchase description

4.4.1 Conformance inspection sampling. Unless otherwise specified, sampling for inspection shall be performed in accordance with ANSI/ASQC Z1.4.

Table XI. Component tests.

Material Characteristic Requirement Test Method Upper Leather Water absorption, penetration, stain resistance

3.3.1 MIL-PRF-3122

Insoles Thickness (all constructions) 3.3.2 ASTM D1777 17/ Fungal resistance 3.3.2 ASTM D3273 Wet tensile 3.3.2 SATRA TM2 Flexing Index 3.3.2 SATRA TM3 Abrasion Resistance Non-Woven board (Wet) 3.3.2 SATRA TM31 Non-Woven board (Dry) 3.3.2 SATRA TM31 Transverse Tensile-Dry 3.3.2 SATRA TM80 Dimensional Stability 3.3.2 SATRA TM98 Peel Strength 3.3.2 SATRA TM101

Table XI. Component tests – continued.

Face Layer Fabric Martindale Abrasion

Fabric Only; Dry

3.3.3.3

ASTM D4966 1/

Bursting Strength Fabric Only

3.3.3.3

ASTM D3787

Three-layer laminate lining

-Hydrostatic Resistance (psi)

Liner cloth (initial) 3.3.3.3 ASTM D751 2/ At Seam 3.3.3.3 ASTM D751 3/

After Synthetic Perspiration 3.3.3.3 ASTM D751 4/, 5/, 6/ After Diesel Fuel Oil 3.3.3.3 ASTM D751 6/, 7/ -Water Permeability/ Resistance

Liner cloth (initial) 3.3.3.3 AATCC 127 8/ At Seam 3.3.3.3 AATCC 127 8/, 9/

After Synthetic Perspiration 3.3.3.3 AATCC 127 5/, 6/, 8/, 10/

After Diesel Fuel Oil 3.3.3.3 AATCC 127 16/, 18/, 11/

-Abrasive Durability Back/leather side (cycles to leak)

3.3.3.3 ASTM D3886

AATCC 127

-Moisture Vapor Transmission Rate (MVTR) (g/m2/24 h)

B method 3.3.3.3 ASTM E96 13/ BW method 3.3.3.3 ASTM E96 14/

-Flex Durability Gelbo (cycles to leak) 3.3.3.3 ASTM F392;

AATCC 127 8/,15/

Wet (hrs to leak) and (hrs to delamination)

3.3.3.3 ASTM F392;

AATCC 127 16/, 8/

Gusset and Quarter Side Panel

Weight 3.3.5 ASTM D3776 Water repellency 3.3.5 AATCC 22

Moisture Vapor Transmission

3.3.5 ASTM E96

Tear Strength 3.3.5 ASTM D4786 Spectral Reflectance 3.3.5.1 4.3.2 Counter Range of characteristics

(except no single-hole wet tear strength test)

3.3.8 MIL-C-41814

Counter (Alternate)/ Box Toe (Alternate)

Initial Collapsing Load 3.3.8 SATRA TM83

Resilience 3.3.8 SATRA TM83 Moisture Resistance 3.3.8 SATRA TM83 Area Shape Retention

Initial and 10th collapse

3.3.8

SATRA TM83

Cushion Midsole Density 3.3.14 ASTM D297 Hardness (shore A) 3.3.14 ASTM D2240 23/ Tensile strength 3.3.14 ASTM D3574 20/ Elongation 3.3.14 ASTM D3574 20/ Tear strength Die T 3.3.14 ASTM D3574 20/ Volume swell w/IRM Oil #3

(@ 24 h)

3.3.14 ASTM D471 20/, 19/

Compression set 3.3.14 SATRA TM64 22/ Ross flex (1x6 inch) @ 5ºC 3.3.14 ASTM D1052 21/, 18/ Rubber Compound DIN Abrasion 3.3.15 ASTM D5963 Hardness (Shore A) 3.3.15 ASTM D2240 Stitch Tear, Dry 3.3.15 ASTM D4786 25/ Stitch Tear, (Fuel B) 3.3.15 ASTM D4786 25/ Tear Strength, Die C 3.3.15 ASTM D624 Ross flex, Oil #3 3.3.15 ASTM D1052 10/ Volume swell, Fuel B (@

46 h)

3.3.15 ASTM D471 19/, 24/

Non-marking 3.3.15 SATRA TM223 Tensile 3.3.15 ASTM D412

Elongation 3.3.15 ASTM D412 Cold Flex (@ -23°C) 3.3.15 ASTM D1052 Transitional Hardness (2 h @

-23°C)

3.3.15 ASTM D2240

Slip Index Cold/Ice - Rough ice method Quarry Tile, Wet

3.3.15 3.3.15

SATRA TM144

SATRA TM144

Removable Cushion Insert

Density 3.3.17 ASTM D3574 Thickness Foam hardness

3.3.17 3.3.17

ASTM D1777 1/

ASTM D2240

Tensile strength 3.3.17 ASTM D3574 Compression set @ 25% 3.3.17 ASTM D3575 Compression set @ 50% 3.3.17 ASTM D3575 Fabric Top Cover Fabric Only; Dry 3.3.17 ASTM D4966 2/ Bursting Strength Fabric Only 3.3.17 ASTM D3787 Box Toe Thickness 3.3.7 ASTM D1777 17/

1/ As described in the test method; Martindale Tester; Pressure applied: 12 kPa; visually examine specimens after each 3200 cycles; Abradant changed after each 3200 cycles. Use Option 1 for evaluation; no hole appears.

2/ Determine hydrostatic resistance of 5 samples in accordance with ASTM D751 Procedure A1 with the face (foot side) of the liner cloth in contact with the water.

3/ Determine hydrostatic resistance of 5 samples containing sealed seams in accordance with ASTM D751 Procedure A1 with the face (foot side) of the liner cloth in contact with the water and the seam centrally located in the circular orifice.

4/ Test 5 samples, 4 inches by 4 inches in dimension, cut from the laminate material and exposed to contamination, synthetic perspiration (Footnote 5). Contaminate prior to leak testing by dispensing 2 ml of perspiration solution on both sides of the sample (see Footnote 6 for contamination procedure). Determine hydrostatic resistance in accordance with ASTM D751 Procedure A1 with the face (foot side) of the liner cloth in contact with the water.

5/ Synthetic perspiration shall be made up in a 500 ml glass beaker by combining 3.0 grams sodium chloride, 1.0 gram trypticase soy broth powder, 1.0 gram normal propylpropionate, and 0.5 grams of liquid lecithin. Add 500 ml of distilled water, add a magnetic stirring bar and cover beaker. Place the beaker on a combination hot plate/ magnetic stirring apparatus. While stirring, heat the solution to 50 degrees C until all ingredients are dissolved. Then, while stirring, cool solution to 35 degrees C.

6/ Dispense contaminate onto the center of a glass plate (4 inches by 4 inches by 0.25 inch thick.) Sample shall be placed face down on the plate and an additional contaminate dispensed on the backside. Place a second glass plate on the sample. Next, position a 4-pound weight on the center of the second glass plate. After 16 hours, remove the sample (do not rinse) and test immediately.

7/ Test 5 samples, 4 inches by 4 inches in dimension, cut from the laminate material and exposed to diesel fuel as follows: Contaminate prior to leak testing by dispensing 3 drops of diesel fuel onto both sides of the sample (see Footnote 6 for contamination procedure).

Determine hydrostatic resistance in accordance with ASTM D751 Procedure A1 with the face (foot side) of the liner cloth in contact with the water.

8/ Determine water resistance of 5 samples in accordance with AATCC 127 with face/foot side towards water. Suter test conditions shall be .7 Psi (50 cm), for 5 minutes. Any observed water droplets in test area constitutes a failure.

9/ Determine water resistance of 5 samples containing sealed seams in accordance with AATCC 127 with the face (foot side) of the liner cloth in contact with the water and the seam centrally located in the circular orifice. Suter test conditions and inspection explained in Footnote 8.

10/ Test 5 samples, 4 inches by 4 inches dimension, cut from the laminate material and exposed to synthetic perspiration (Footnote 5.) Contaminate prior to leak testing by dispensing 2 ml of perspiration solution on both sides of the sample (see Footnote 6 for contamination procedure). Determine water resistance in accordance with AATCC 127 with the face (foot side) of the liner cloth in contact with the water. Suter test conditions and inspection explained in Footnote 8.

11/ Oil Test 5 samples, 4 inches by 4 inches in dimension, cut from the laminate material and exposed to diesel fuel as follows: Contaminate prior to leak testing by dispensing 3 drops of diesel fuel onto both sides of the sample (see Footnote 6 for contamination procedure.) Determine water resistance in accordance with AATCC 127 with the face (foot side) of the liner cloth in contact with the water. Suter test conditions and inspection explained in Footnote 8.

12/ Determine abrasion durability of the back side of 5 laminate samples in accordance with ASTM D3886. Non-contact pin diaphragm approved for use to decrease variability.

The test is to be run for the specified number of cycles prior to testing for leakage.

Leakage shall be determined in accordance with AATCC 127 (Footnote 8.)

13/ Determine MVTR in accordance with ASTM E96 method B with the back side of the test cloth facing the water. The free stream air velocity shall be 550 (+ 50) fpm as measured 2 inches above the specimen. The airflow shall be measured at least 2 inches from any other surface. The test shall be run for 24 hours and weight measurements shall be taken at only the start and the completion of the test. At the start of the 24-hour test period, the air gap between the water surface and the specimen shall be 0.75 (+ 0.06) inches.

14/ Determine MVTR in accordance with ASTM E96 method BW with the backside of the test cloth facing the water. The free stream air velocity shall be 550 (+ 50) fpm as measured 2 inches above the specimen. The airflow shall be measured at least 2 inches from any other surface. The specimen shall be sealed to the cup in any manner that prevents wicking or leaking of water out of the cup. The test shall be run for 2 hours and weight measurements shall be taken at only, the start and completion of the test.

15/ Test one sample, 8 inches by 12 inches, shall be conditioned and flexed in accordance with ASTM F392 except specimen shall not be aged, the short edges shall not be heat sealed or otherwise joined, and the specimen shall be flexed for the specified number of cycles. Two, 6 inch by 8 inch specimens shall be cut from the flexed sample and tested for leakage in accordance with AATCC 127 (see Footnote 8.)

16/ One sample, 14 inches by full width, shall be selected from a sample unit and tested for leakage after the required number of hours of continuous agitation. The specimen shall be agitated using the “normal,” cycle in an automatic home laundering machine except that the washing machine shall be capable of continuous agitation. The water level shall be maintained at 16 (+ 0.5) gallons and the water temperature shall be 32 (+ 9 degrees C).

Additional fabric shall be added to the specimen to create a load weight of 2 (+ 0.2) pounds. Upon completion of the continuous agitation the specimen is to be air dried and then tested for leakage in accordance with AATCC 127 (Footnote 8.)

17/ A thickness gauge of the dead-weight type equipped with a dial graduated to read directly to 0.001 inches shall be used. The presser foot shall be circular, with a diameter of

1.1129 (±0.001) inches and with moving parts weighted to apply a total load of 0.60 (±0.03) pounds per square inch (psi) to the specimen. The anvil shall be not less than 1.129 inches in diameter. The presser foot and anvil surface shall be paned to within 0.001 inches and shall be parallel to each other to within 0.001 inches.

18/ Modified to include 2mm Texon board glued onto the specimen and conducted at -5 degrees C after conditioning for 2 hours.

19/ Tested at room temperature w/ ASTM Oil #3

20/ Thickness of test sample used shall equal 12.7mm (.5 inches) from test slabs or 6.0mm from actual cushioned midsoles.

21/ Thickness of test sample used shall equal 6.4mm (0.266 inches) from test slabs or 6.0mm from actual cushioned midsoles. Actual cushioned midsoles shall be used for verification testing only. However, all reports used for conformance purposes and submitted to the Government shall use test slabs.

22/ Thickness of test sample used shall equal 12.7mm (.5 inches) from test slabs or 19mm from actual cushioned midsoles. Actual cushioned midsoles shall be used for verification testing only. However, all reports used for conformance purposes and submitted to the Government shall use test slabs.

23/ Thickness of test slab shall be as stated in the respective ASTM method.

24/ At room temperature with ASTM slabs

25/ After 46 hours at room temperature

4.4.2 Spectral reflectance test. Spectral reflectance data shall be obtained from 600 to 860 nanometers (nm) on a spectrophotometer relative to the barium sulfate standard, the preferred white standard. Other white reference materials may be used provided they are calibrated to absolute white, e.g. magnesium oxide or Vitrolite tiles. The spectral band width shall be less than 26 nm at 860 nm. Reflectance measurements shall be made by either the monochromatic or polychromatic mode of operation. When the polychromatic mode of operation is used, the spectrophotometer shall operate with the specimen diffusely illuminated with the full emission of a continuous source that simulates either CIE Source A or CIE Source D65. Measurements shall be taken on a minimum of 2 different areas and the data averaged. The measured areas should be at least 6 inches away from the selvage.

The specimen shall be viewed at an angle no greater than 10º from normal, with the specular component included. Photometric accuracy of the spectrophotometer shall be within 1 percent and wavelength accuracy within 2 nm. The diameter for standard aperture size used in the color measurement device shall be 1.0 to 1.25 inches. Any spectral reflectance value falling outside the limits at four or more of the wavelengths specified shall be considered a test failure.

4.4.3 Toxicity test. When required (see 3.9), an acute dermal irritation study and a skin sensitization study shall be conducted. When the results of the studies indicate the boot is not a sensitizer or irritant, a Repeat Insult Patch Test shall be performed in accordance with the Modified Draize Procedure.

4.4.4 In-process inspection. Inspection shall be made at any point or during any phase of manufacturing to determine whether operations or assemblies are accomplished as specified. The Government reserves the right to exclude from consideration for acceptance any material or service for which in-process inspection has indicated nonconformance.

4.4.4.1 In-process examination. The defects found during in-process examination shall be classified in accordance with 4.4.4.1.1, 4.4.4.1.2, and 4.4.4.1.3. The lot size shall be expressed in units of upper assemblies prepared for lasting. The sample unit shall be one completely fabricated upper assembly prepared for lasting.

4.4.4.1.1 Pre-fitting examination of cut parts. The cut parts shall be examined for the defects listed in Table XII before fitting. The lot size shall be expressed in units of cut parts. The sample unit shall be one cut part. Defects shall be major when seriously affecting serviceability or appearance, and as minor when affecting serviceability or appearance but not seriously.

Table XII. Cut parts defects.

41BCut Part 42BDefect 1/ Upper leather Not full grain

Not grain side out Leather deeply snuffed; i.e., fiber structure damaged Grub or tick damage, scratches, brands, or bony leather Fat wrinkles or veins Stretchy vamp Thickness exceeding the maximum or less than the minimum specified off-stretch cut Slaughter cut Leather embossed

Quarter side panels

Not as specified Any hole, spot, stain, foreign matter, cut, tears, miss-weave, or color not as specified

1/ Defects shall be major when seriously affecting serviceability or appearance, and as minor when affecting serviceability or appearance but not acutely.

4.4.4.1.2 Examination of uppers after all fitting. The upper assemblies shall be examined for the defects listed in Table XIII. The lot shall be expressed in units of upper assemblies prepared for lasting. The sample unit shall be one completely fabricated upper assembly prepared for lasting.

NOTE: Conditions classified by an asterisk (*) in Tables XIII through XV shall be scored as major defects when seriously affecting serviceability or appearance, and as minor when affecting serviceability or appearance but not seriously. Appearance defects shall be scored only when the condition is plainly visible at a distance of 3 feet or more and it appreciably affects item appearance.

Table XIII. Examination of uppers after all fitting.

43BExamine 44BDefect 45BClassification

46BMajor 47BMinor Construction and workmanship

Any component missing or not specified type 101 Any component misplaced or not affixed as specified

Any cut, tear, hole, repair, or factory damage * Back seam malformed 201 Thickness more…