Ladies/Womens Bamboo Super Soft Work/Casual Non Elastic Top Socks (Pack Of 6) Bamboo, Nylon, Cotton Great quality ladies socks. Comfortable fit. Made with 60% Bamboo, 30% Nylon and 10% Cotton. Machine washable. These Bamboo socks are super soft and feel great against your skin, as they are non-elastic, they will not leave any ring marks on your legs.