Yupoong 6560 5 Panel Flex Fit Hat - Navy - L/XL [Apparel] 98% Polyester/2% Spandex 98% polyester/2% spandex. Flexfitstretches for comfort. Contracts for shape retention. Medium-profile. constructed. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!