Vintage WWII Colvinex Heated Flight Jacket (Converted)U. S. Army Air Forces c. Early 1940s Original World War IIera Colvinex heated flight garment, later converted into a wearable leather jacket. Colvinex specialized in electrically heated aviation clothing for high altitude aircrew, producing garments designed to integrate with aircraft power systems during WWII. Mainly used in B 17 Flying Fortress and the B 24 Liberator. This piece retains its original heavy leather construction and shearling collar,