Women winter socks are made of high quality cotton,polyester and wool. The women warm socks are soft, lightweight, breathable, cozy, warm and durable, keeping your feet warm and healthy during cold weather. Women wool socks are free size 22.5 to 25cm, suitable for women US shoes size 5 to 9.They are elastic and perfectly fit for your feet, please do not iron them and suggest washing them by hand and washing before wear.