Net Weight :1.275 kg. Size: All of these helmets are the SAME size, fitting 57-60 head. PLEASE INSPECT YOUR ITEMS WHEN THEY ARE RECEIVED. Net Weight :1.275 kg Size: All of these helmets are the SAME size, fitting 57-60 head. The item "Motorcycle/Scooter helmet & Air force Jet Pilot flight helmet White" is in sale since Monday, August 6, 2012.This item is in the category "Collectibles\Militaria\WW II (1939-45)\Original Period Items\United States\Hats & Helmets". The seller is "xyfs-us" and is located in Shanghai. This item can be shipped worldwide.