● Button closure ● Premium Material: quick-drying, breathable polyester. Come with mesh side panels and moisture wicking sweat band, 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. Elastic buckle behind women 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 protecting from the sun harmful rays