Ahh, a classic red rose on the softest pair of socks you'll own The good news is that these bamboo socks are: 1. Oh so buttery, silky and soft 2. Naturally antibacterial, hypoallergenic and biodegradable Sock size 9-11 fits U.S. women’s shoe size 5-10.5 59% Rayon From Bamboo, 39% Nylon, 2% Spandex