These aviator flight coveralls, CWU-27/P, are one piece garments fabricated from polyamide cloth, a high temperature resistant, inherently flame retardant Nomex® synthetic fabric with no hot melt point or drip characteristics. The lightweight (4.2 ounce/square yard) fabric will not support combustion, but will begin to char at 700° to 800° degrees Fahrenheit. MIL-C-83141A
The fabric has abrasion resistance similar to nylon. The coveralls contain an anti-static finish and are furnished in twenty-four different sizes and three lengths (Short, Regular, Long.)