U.S. Army Air Corps Type B-1 Flight Jacket – 1931 Shearling Leather Aviator Jacket (Pre-WWII Pattern)

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SKU: N/A Categories: Leather Jackets, Military Leather Jackets, WW2 Uniforms Tags: 1930s flying clothing, 1931 Air Corps jacket, B-1 flight jacket, B-3 predecessor, early shearling jacket, pre-WWII leather jacket, shearling aviator coat, USAAF bomber jacket

Highlights

Authentic reproduction of the 1931 U.S. Army Air Corps B-1 shearling jacket.
Constructed from full sheepskin shearling with natural fleece interior.
Dark seal-brown outer finish with reinforced leather seams.
Button-front closure (pre-zipper era) with high shawl collar and throat strap.
Adjustable side tabs for fit at the waist.
No knitted cuffs or waistband – original early-1930s specification.
Ideal for pre-WWII and early-Air Corps flight impressions (1931-33).
Approx. weight: 4.0 – 4.5 kg (8.8 – 10 lb) depending on size and fleece density.
Predecessor of the B-2 (1932) and B-3 (1934) flight jackets.

The Type B-1 Flight Jacket was the first officially designated shearling flight jacket adopted by the U.S. Army Air Corps in 1931, preceding the later B-2 and B-3 patterns.
Built for early open-cockpit and unpressurized aircraft, the B-1 was made entirely from natural sheepskin shearling, offering excellent thermal insulation with minimal bulk. It featured a button-front closure, high shawl collar with throat strap, and side waist adjusters for a close fit.
Unlike later models, it had no knitted cuffs or waistband, relying on the natural fleece to trap warmth. The B-1’s clean, utilitarian design set the foundation for all subsequent U.S. shearling flight jackets, blending function with classic pre-war style.

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Categories: Leather Jackets, Military Leather Jackets, WW2 Uniforms