90% nylon 7% polyester 3% spandex Machine wash cold, tumble dry low. Pack of 2 pairs full cushioned ankle socks with wide toes design which provides more room for your toes to avoid blister. Both the bottom and top of the socks are medium cushioned. And the black of the ankle has massage cushion spots which provides extra protection. Compression fit design keeps the socks in position and avoid blister. With high quality nylon and spandex, the socks have great stretchability. They fit men’s shoes size 6 to 11 and Women’s shoes size 7-12.