Sierra Socks Women's Bamboo Low Cut 4 Pair Pack Multi Color Fashion Design Socks 2168 72% Rayon From BAMBOO, 25% Nylon 3% Spandex Imported Machine wash warm, Tumble dry low Very soft hand feel Women's Bamboo 4-Pair Pack, Low Cut Bamboo Naturally Anti Microbial & Anti Bacterial. Controlled foot odor Very soft and comfortable, Fits Shoe Size 4-10 Socks Size 9-11