Material: 85% cotton, 3% polyester, 12% spandex. SUITABLE SIZE – Our cotton socks fit women’s shoe size: US 5-10, Comfortable soft stretch cotton. Comfortable, lightweight, wearable and sweat-wicking. It’s gentle on your skin, suitable for four seasons, indoor and outdoor activity. Women cotton socks suitable for sports shoes, short boots, tennis shoes, casual shoes and more. These women cotton socks are soft, yet strong, not too thin yet not too thick. They’re pretty durable too.