Novawo Versatile Fishing Hat UPF Beach Sun Hat with Wide Brim and Chin Strap 35% polyester/65% cotton Super comfortable and breathable enough to wear Head circumference:approx 22.8in; Brim:2.95in; See the dimension figure in the images With the design of the army linen which works hold lighter, saber and so on 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