Introduced by the mid-1950s, the MA-1 became the flight jacket of U.S. Air Force and Navy pilots and ground crew. Designed for use in temperatures of 14-50 degrees F, the MA-1 had a 100% wool knit collar, waistband and cuffs. The MA-1 discarded the mouton fur collar of its predecessor, the B-15, because it interfered with the parachute harness worn by aviators. Other features of the jacket included a tab that the oxygen mask was clipped to, tabs to hold the headset wires in place and the or... The MA-1 Re-Issued flight jacket comes with a slimmer and more modernized fit. The MA-1 Re-Issued adds extra length with a closer fit to the body, with an inner lining is the same color as the outer shell. The classic MA-1 comes with reversible emergency orange interlining. 100% Flight Nylon outer shell, with dyed to match lining Water repellent Signature utility/pencil pocket on sleeve Knit waistband, cuffs and collar Plastic front zipper for ease of use Two inside button pockets Comfort rated in temperatures from 25-40 degrees Fahrenheit Dry clean only