Coolibar UPF 50+ Women's Sun Catcher Shapeable Hat - Sun Protective 100% Polyester UPF 50+ - protects against 98% of UVA and UVB rays Approx. circumference: 23 inches; Brim: 4 1/4 inch front, 3 3/4 inch sides, 4 1/8 inch back Beautiful pattern detail inside brim with adjustable draw cord Packable hat with large, shapeable wire brim along edge and self fabric chin strap with cord lock and end Easy care: hand wash cold, line dry; Imported