Saucony Performance Socks, Women's Medium, Shoe Sizes 7-10, 6 Pack 96% Polyester / 3% Rubber / 1% Spandex Machine wash cold with like colors. Only non-chlorine bleach. Tumble dry. Do not iron. Run-dry moisture manegement Mesh ventilation Engineered arch stability control Cushioned sole Performance no show tab socks fit women's shoe sizes 7-10