Experience super stretch comfort while wearing these Rayon from Bamboo socks. This sock helps with odor while providing non-constricting gradation support from foot to calf. For the best results wear socks 24 hours before and after travelling. 75% Rayon from Bamboo, 15% Nylon, 10% Spandex. Roll top design for non-binding comfort. Wick moisture away from feet to keep drier. Seamless toe seams for a smooth interior. Extra wide design for swollen legs and calves.