Amazon.com: ZOORON Women。- 100% Polyester - Button closure - Hand Wash Only - Premium Material: quick-drying, breathable polyester. Come with mesh side panels and a moisture-wicking sweatband, which greatly makes your head cool and ventilated. - One Size Fits Most Women Ladies Big Girls: Circumference of Hat Crown: 21.6\"-22.8\"(54-58cm). Size Recommendation: 6 3/4 -- 7 1/4. The elastic buckle behind women\'s fishing hat is for adjusting to fit your head size - Great Valued Pack: 3 pieces of Women\'s Outdoor Ponytail Sun Hat Safari Hat UV Protection Foldable Mesh Wide Brim Beach Fishing Hat Cap - Sun protective: Strong Anti-uv Function, UPF 50+ - Wide-brimmed Hat:3.35 inch Large Wide brim, can effectively help protect from the sun\'s harmful rays