Imported Fabric:100% polyester, quick dry, light weight, packable, wear resistant, not easily deformed Adjustable: back plastic buckle closure for comfort fit, adjustable circumference 22.4” to 23.6” Sun Protection: 2.8” curved visor, protecting the eyes from the sun rays Comfortable: cap with two independent layer, inner all mesh, outer half a piece polyester cloth; quick dry, cooling, wicking breathable Style: baseball cap, running cap, cycling cap, golf cap, camping hiking cap