These Socks made of cotton which and comfortable. It adopts premium cotton material that can relief your pain in your feet, which is suitable for you to do some workout. And the cotton sock is also breathable for you to wear. Features -Color:Assorted Color -Material:Cotton -Size:28.00X9.50X0.20cm/11.00X3.73X0.08in - Made of good and supple cotton material, they are soft, reliable and safe to use. - Great to relieve leg pain and fatigue, and you will not easy to fall off while wear this pair of socks. - They are breathable and comfortable to clear, bring you a warm winter for your feet. - Perfect solution for cold feet and gift for your parents and friends. Winter socks are great for outdoor activities, skiing, snowboarding, hiking, and other sports. - Self-heating sock can moisture, odor and swelling of legs, regulate blood circulation. Package list: x pairs of Winter Socks