100% Polyester Imported Drawstring closure Machine Wash [Breathable ] There is a unique breathable mesh design in the middle of the hat, which contains a thin layer of inner net, which absorbs sweat and is skin-friendly, very soft, and is breathable in hot summer weathe [UV Protection ] The 3.5-inch wide-brimmed brim protects your face and neck from UV rays’ harm , also protect your head from direct sunlight [Adjustable & Unisex] The hat has an adjustable chin strap to help you hold the hat in place on windy days. And the hat is sized to fit 22-23 inch men's and women's head circumferences, with snaps on both sides of the hat for easy access to the brim at any time turn Fishing Sun Hat for Men Women Wide Birm UV Protection Breathable Bucket Hat with Adjustable Strap for Fishing Hiking Beach - BZZ4D7L4A