HZH Women and Men Thin Antibacterial Bamboo Fiber Socks Pack of 12 This sock ingredient is bamboo fiber, spandex, nylon. Women and Men Thin Bamboo Fiber Socks,200-pin fine bamboo fiber socks, comfortable deodorant .Features: absorbent, antibacterial, in addition to mites, deodorant. For the season: spring, summer, autumn Medium short sock Machine washable