SUPER WARM THICK SOCKS!High quality boys cotton socks – Excellent materials of Cotton (80%), Polyester(15%) and Spandex??5%??, the thicken winter socks for kids are great cold weather gear. GOOD ELASTIC Cotton SOCKS ,Kids socks are Very soft,Comfort and stretchy,High Quality Cotton Fiber,Durable and long lasting washable. Characteristics:comfortable, flexible, colorful socks; They are soft and sturdy, after washing soft, no fade, no deformation This cotton socks can reduce foot fatigue,protect kid’s feet from irritation and injury during daily wear and exercise,keep feet in place even wash after wash. NON-FADE COLORS GUARANTEE! Machine wash available! Recommend hand wash to maintain the durability of cotton socks.