MIL-DTL-44105C
3.2 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or
environmentally preferable 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.
3.3 Material.
3.3.1 Basic Material.
3.3.1.1 Type II. The basic material for the Type II sun hat shall be a blended cotton/nylon ripstop
poplin cloth conforming to Class 3 of MIL-DTL-44436.
3.3.1.2 Type III. The basic material for the Type III sun hat shall be a blended cotton/nylon ripstop
poplin cloth conforming to Class 2 of MIL-DTL-44436.
3.3.1.3 Type IV. The basic material for the Type IV sun hat shall be a blended cotton/nylon ripstop
poplin cloth conforming to Class 7 of MIL-DTL-44436.
3.3.1.4 Type V. The basic material for the Type V sun hat shall be cotton twill nylon, conforming to
Type III, Class 1 of Purchase Description, YACL 05-01.
3.3.1.5 Side lining. For Type II, IV and V hats, the side lining shall be basic material or printed
seconds cloth. For Type III hats, the side lining shall be cut from ground shade cloth. Printed seconds
cloth shall be a cloth rejected only for defects pertaining to color, infrared reflectance, or camouflage
print pattern.
3.3.2 Brim binding. The brim binding shall be biascut from the basic material (see 3.3.1).
3.3.3 Brim interlining and headband stay piece. The brim interlining and headband stay piece shall be
a white or charcoal grey, non-woven, continuous filament of polyester cloth conforming to Type II of
A-A-50128, except that the breaking strength of the non-woven in the machine direction shall be 45
pounds minimum and the breaking strength in the cross machine direction shall be 25 pounds.
3.3.4 Webbing, nylon. The nylon webbing for the camouflage band for Types III, IV and V sun hats
shall be bulked nylon, Type IV, 3/4 inch wide, conforming to A-A-55301. The webbing shall be dyed
Camouflage Green 483 for Type II, Foliage Green 504 for Type IV and Foliage Green 504 or Sage
Green 1641 for Type V.
3.3.4.1 Spectral Reflectance. The Foliage Green 504 webbing shall meet the spectral reflectance
values as specified in TABLE I when tested as specified in A-A-55301.
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