Designed to provide quick cooling and comfort in even the hottest conditions, under a hardhat, helmut or separately. Fieldsheer's MOBILE COOLING skull cap delivers unparalleled cooling, comfort and moisture-wicking technology. Hydrologic design provides additional and longer lasting cooling when dipped in water. Made with Drirelease Geo Cool eco-friendly fabric, 92% recycled polyester/8% Spandex keeps you cool and dry longer, reducing surface body temperature by up to 7°. Sunsheer UPF 50 plus protection delivers protection from harmful UV rays adding another layer of comfort. 4x faster drying than traditional knits. Removable back shade included. Color: Black. Gender: Men's. Age Group: adult.