100% Cotton IT LOOKS LIKE AN ORDINARY CAP, but has a hidden Zipper Wallet Pocket and Concealed ear covers that are ADJUSTABLE. Leave your wallet at home! See VIDEO below. TO PUT ON: fold ear covers down to just BARELY below the head band, then put on the cap then you can reach behind your ears & pull them down to cover a little or all of the ears. Covers fold inside the cap when not needed. GREAT GIFT FOR DAD and something he does not have. A cap & wallet & sunburn protection – 3 gifts in one. It looks like an ordinary cap, but is an EXTRAORDINARY cap! LIGHTWEIGHT 100% COTTON Twill Fabric. Standard size baseball cap with a one size fits all Velcro Closure that fits head sizes up to 25 1/2 inch circumference. HIGH QUALITY CONSTRUCTION: color matching covers, & zipper, pre-curved visor & triple-stitched sweatband, washable.