Socksmith Womens Bamboo Crew Socks"Brocade" - Black 56% Rayon from Bamboo, 42% Nylon, 2% Spandex. Sizing: Sock size 9-11 will fit a women's shoe size 6-10 Designed in Santa Cruz, CA 62% Bamboo, 36% Nylon, 2% Spandex Machine washable You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!