"The Authentic Alpha MA-1 Flight Jacket, often copied but never duplicated, the classic flight jacket made by Alpha for the military for over 40 years features nylon flight satin outer shell with reflective nylon lining, polyester battling interlining, front closure storm flap, knitted collar, cuffs, and waistband and Alpha signature zippered utility/pencil pocket. Sizes S - 3XL Alpha Industries- Navy and Gun Metal Grey Only