Size: Great double use hat can adjusted as needed for better fit. Hat circumference best fit for 54-56 cm/21.3"-22.1"
Usage: Reversible sun protection hat perfect for beach vacation, holiday, shopping, take pictures, camping, tourism, gardening, fishing and hiking and any outdoor activity
SPF: It passed UPF 50+ test, anti-UV, great ventilated to keep you cool in summer; measures 18 cm/7.1 inch in length wide brim, it could shade UV rays effectively
Reversible gives you double options, you can select different colors to dress your clothes; and it have the removable strap, it makes the hat won't blown off when it gets windy
Buttons beside the hat that can be buckled, making the side brim folded up and becoming western cowboys style; Package hat can rolls up to save space in your suitcase and handbag