Product details Brand: Patagonia Lightly cushioned for comfort, our Wool Anklet Socks are designed for a long life on the trail. The RWS-certified wool/nylon/spandex blend offers exceptional breathability, rugged durability, and excellent stretch and recovery that lasts the lifetime of the socks. All virgin wool Patagonia sources is certified to the Responsible Wool Standard (RWS) from farm to fiber to help ensure protection both for the animals that supply it and the land they graze. The Wool Anklet Socks is fully backed by our Ironclad Guarantee and you can find it on Patagonia.com. Patagonia Eco-stylist.com Patagonia Wool Anklet Socks in Black