Sockwell Women's Ringer Soft Socks 35% Stretch Nylon, 30% Bamboo Rayon, 30% Stretch Nylon, 5% Spandex Made in US Soft roll top eliminates pinch lines Non cushioned sole added for comfort Spandex throughout the sock prevents slippage and ensures a snappy fit throughout the day Y Heel shape design for better fit Spandex throughout the sock prevents slippage and ensures a snappy fit throughout the day