WW2 US Army Air Forces B-1 Summer Flying Cap. Well used with nips, see pics. The item "WW II US Army Air Forces USAAF B-1 Summer Flying Cap Pilot Flight Hat" is in sale since Saturday, October 16, 2021. This item is in the category "Collectibles\Militaria\WW II (1939-45)\Original Period Items\United States\Hats & Helmets". The seller is "recondo80" and is located in Montgomery, Alabama.This item can be shipped to United States.