Unisex Adult's US Air Force Retired Banner Ball Cap One Size Black Acrylic Imported easy clean Basic US Airforce Servicemen's Ball Cap with Retired Banner Shadow Raised and flat embroidered design on crown and or bill 100% Acrylic fabric and embroidery, Imported Adjustable Velcro Closure strap provides a comfortable fit for all Embroidered designs will never, ever crack, peel, fade or come off