... polyester microfiber 2.Ultraviolet protection 3.perspiration absorption The multifunctional headwear, 100% environmental polyester microfiberUltraviolet protectionperspiration absorption,breathable, wind resistantseamless tubular ... of high performance microfiberAll seasons outdoorMany ways to used: headband,headwear, neck gaiter,beanie,sandstorm mask, eyeshades, pirate-style cap, helmet ...