US Military Surplus Cold weather helmet cap worn by pilots under their helmets. Also known as a pilot cap or bomber cap. Features acrylic boa earflaps and a chin strap. The earflaps can be raised and secured by wrapping the chin strap over the top of the head. The lining is satin fabric. 1997 contract. There appears to be some writing on the label, but it's in mint condition with no notable damage or signs of wear. There is no damage that would affect wear. Marked Size: X-LARGE Inner circumference approximately 60cm-62cm, measured by hand. Please allow for some error. This size should fit most people, but it is the largest size in the lineup. Also listing a 70s flight cap HGU-38/P XL.