Not only is the Switchback Cap perfect for blocking your face from the harmful rays, but you can store some cashola or car keys right in the back! ; TransAction headband wicks away moisture. ; Quick-release buckle closure for a perfect fit. ; Folding bill for a quick, easy storage. ; Hidden storage pocket can stash your cash or keys. ; 100% nylon. ; Machine wash cold. ; Imported. Measurements: ; Circumference: 21 1 2 in ; Brim: 2 1 2 in ; Product measurements were taken using size One Size (7 1/8-7 5/8). Please note that measurements may vary by size.