Hat offers excellent UV protection with a UPF 50 ratingWide stiff brim keeps the sun and rain off your face and neckClosed cell foam in the top makes hat float if it goes overboard making it a great companion for boating tooHidden velcro pocket in the crown for storage of I D hotel key or moneySoft comfortable Hydrofil band wicks away perspirationSpecial cord wraps under chin and back of head to keep hat in place in high windsMachine washable will not shrink repels rain and mildew