Alpha Industries Men's MA-1 Turbine Flight Jacket 100% Nylon; Lining And Fill: 100% Polyester Imported Dry Clean Only The MA-1 Turbine has two flap pockets along with the signature Alpha zippered utility/pencil pocket on the sleeve The flight jacket has a flight nylon and waxed cotton shell, 100 percent polyester lining and 100 percent polyester fill Water resistant to keep moisture out