Read more Alpha Industries In 1959 Alpha Industries was commissioned by the department of defense to design and manufacture high performance outerwear for the U.S. military. The company quickly became synonymous with developing the iconic MA-1, M-65, and N-3B trusted by soldiers, sailors and aviators to protect them from the most dire conditions across the land, sea and air. Today, Alpha’s mission is to protect and inspire heroism in all forms by outfitting men and women to realize their limitless potential. Read more Fabric Shell: 100% Flight Nylon Lining: 100% Nylon Fill: 100% Polyester Product Specs Fit: Standard Length: Above Hip Recommended Weather Intermediate Weather Recommended Care Dry Clean Only Alpha Industries MA-1 Blood Chit Flight Jacket Alpha's MA-1 flight jacket with "Blood Chit" sewn on the inside lining was a type of flag that contained a message in several languages identifying an airman as a U.S. Aviator if they were shot down, to aid the airman in avoiding capture and in being returned safely to U.S. Forces. A reward was offered for this assistance. Read more Sleeve shirring Knit rib collar, cuffs and waistband Ottoman knit cuffs MA-1 utility pocket on sleeve Signature red "Remove Before Flight" flag Reversible orange nylon lining with the Blood Chit sewn into it Alpha logo on zig-zag zipper extension Two lower flap pockets Two interior welt pockets Read more Product History 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 original U.S. Air Force decal. These features were eventually removed from the flight jacket as it was adopted by other branches of the U.S. Armed Forces and equipment for pilots changed. Read more