Mocase Outdoor Large Round Brim Bucket Hat Quick Drying Men Women Summer Sun Cap Sun Block Hat for Fishing Travel Mountain Climbing Made of 60% cotton and 40% polyester, supper comfortable and breathable enough to wear Brim measures 3" Wide, Crown measures 3 1/2" High, Hat circumference:21-23'' Adjustable chin strap which works hold lighter The buttons beside the hat that can be buckle and become western cowboys immediately;Kept your head cool, yours eyes shaded and your face, neck and shoulder free of sunburn Awesome suit camping, hiking, fishing and Hawaii, etc