Material: 45% Nylon, 50% Cotton, 5% Spandex Made of high quality comfortable fabric, which is durable, breathable and sweat absorbent. Thin and seamless socks are super comfortable to wear. Keep your feet dry and cool all day. No show socks with non-slip silicone to prevent slipping in shoes. Our women’s low cut socks are easy to match with most shoes. Perfect for sneakers, boat shoes, loafers, flats and more. Free size: Fits US women??s shoes 5-9. 4&6 pairs a pack.