Keep the sun out of your eyes comfortably with the Nike Ace Visor. This low-profile visor has a stretchy fabric, a pre-curved bill, and an adjustable back strap. Nike's Dri-FIT technology helps wick away the sweat. Content: 90% Polyester, 10% Spandex. Back of front panel: 100% Polyester. Sweatband: 91% Polyester, 9% Spandex. Shortened Aerobill for better visibility while serving Adjustable hook-and-loop closure Dri-FIT ADV combines moisture-wicking fabric with advanced engineering to help you stay dry and comfortable.