USAF N-3B Parka from Military Outdoor Clothing. The outer shell of the jacket is made of 80% cotton and 20% nylon making it water and wind resistant.  Interlining consists of 100% polyester.  The jacket features a slide fastener and button front with a synthetic fur draw cord hood that is permanently attached for extra protection against the cold.  It has two outer breast pockets, two waist pockets and a pocket on the left sleeve.  These jackets are typically issued for Alaskan stationed assignments for the US Military. Used military surplus.