This StealthForm Uncrushable Cap by Under Armour is engineered to fit to your head, breathe easy, wick sweat all-around, and feel so light it's almost floating. It's also completely foldable.Key FeaturesUltra lightweight and breathable with seamless comfort sweatband and cool-to-the-touch Iso-Chill interiorAnatomically molded seamless construction for the perfect, custom fitUnstructured design is washable & completely packable, snaps right back into shape, no creasesMoulded details with laser perforations for added breathabilityAdjuatable back closure ensures a secure and adjustable fitMore DetailsRaised silicone brand logo on frontNew Era flag embroidered on the left adds a authentic lookMaterial composition: 91% Polyester, 9% Elastane