Keep yourself protected from the sun in style with the Nike Aerobill Featherlight cap. With sweat wicking DRI-FIT technology and Aerobill lightweight construction, this hat will keep you cool and dry all day long! The hat features hook-and-loop closure for an adjustable fit. It also has a mesh lining with ventilation panels keeping you cool and comfortable while in action. Made of 100% Polyester, this cap is durable, lightweight and super comfortable on your head!