Brand/Label: H. Bernstein & Co. for U.S. Air Force. Official designation on tag: TROUSERS, AIR CREW, HEAVY, Type F-1A, Spec. No. MIL-T-6284. Tag size: 34 (mens military sizing). Color: dark blue/navy. Features: insulated flight pants with reinforced knees and seat, front flap pockets with snaps, full-length side zippers with leather pull tabs, adjustable waist tabs, attached suspenders, rib-knit ankle cuffs, and zip fly with snap waist closure. Tag details: Drawing No. 5183557-4; USAF S/N 8310-850490-271; Order No. AF-22621; marked U.S. Property; dry clean only. Classic vintage USAF cold-weather air crew trousers, ideal for military collectors, display, or rugged workwear. No returns.