GI USAF Extreme Cold Weather F-1B Trousers W/ Suspenders— Size 24 Color:Gray Each bag is compatible with

Each bag is compatible with the vapor-permeable Bivy cover

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or army training

Constructed of warm

GI USAF Extreme Cold Weather F-1B Trousers W/ Suspenders— Size 24 Color:Gray Each bag is compatible withKeep your pants in place and the cold out with these Vintage GI Air Force F 1B trousers with suspenders. These pants were made in the 1970s constructed of 80% Nylon and 20% cotton outer shell, and 100% polyester interlining. These F 1B trousers are part of the ECWCS designed for Extreme Cold Weather use for the US Aircrew members stationed in Extreme cold static Areas. They feature a reinforced seat and knees for durability, a front zip fly and button