Content: 68% Nylon 15% Copper 17% Spandex Description: Ja-vie Copper Socks are made with copper ion technology, by knitting in copper-infused yarns that help eliminate odor-causing bacteria on the socks. Together with added wicking function that helps to stay dry, Copper Socks help to keep your feet healthy and odor-free all day. Ja-vie Copper Socks are available as Compression Socks to help relieve swelling and on the other end, as Non-binding Socks for the ones that cannot take pressure. Both are designed for maximum daily comfort to suit your individual needs! Available Sizes: * Machine wash cold on gentle cycle, mild detergent, do not bleach, tumble dry low, do not dry clean or iron.