Military Beret by Wool Polyester Nylon. Military Beret Shell Material. Wool Or 90% Wool+10% Polyester Or Nylon. Military Beret Lining Material. Cotton. Military Beret Headband Material. Fabric Or PU Or Real Leather. Colors of Military Beret. Black, Army Green, Olive Green, Dark Green, Navy Blue, Dark Blue, Sky Blue, Red, Maroon, etc.