That's A Wrap Unisex Coolmax Cordlock Cap, Wicking Technology, Black CLC-CM01 Cotton Blend That's A Wrap CoolMax Cordlock Cap Contents: 88% CoolMax and 12% Spandex CoolMax will keep your head dry and cool Spandex is added to make it super stretchy and even more flexible to fit the largest of heads and the cord locking system helps to fit the smallest of heads Even though this item is black, and attracts the heat of the suns ray, but it is countered-acted by the high technology of CoolMax superior wicking ability