MIL-C-87230A, MILITARY SPECIFICATION: COVERALLS, FLYER'S, CWU-64/P (31 OCT 1989)

MIL-C-87230A, MILITARY SPECIFICATION: COVERALLS, FLYER'S, CWU-64/P (31 OCT 1989)., This specification the requirements for a one piece, fire resistant coverall to be worn in extreme cold weather.