Girls Knee High Socks - Bolts Black - Cute, Funky, Crazy, Fun, Roller Derby Socks QUALITY AND COMFORT: Neon Eaters Socks are made from the most durable, high quality, comfortable cotton/polyester blend available. Say goodbye to pesky seams and fabrics that are not designed for your feet. Bamboo blend Smooth toe seam Reinforced heel 75% Bamboo, 18% Polyester, 4% Nylon, 3% Spandex