EFF-cientt 5 Pairs Summer Peep Toe Socks Hidden Socks Open Toe Women Heel with Anti-slip Silicone Heel Grip Made from high quality cotton. Suitable for shoe size 5-8.5 Breathable , comfortable, absorb the sweat efficiently. The non-slip socks are perfect for peep toe heels and high-heeled shoes as they prevent rubbing and chaffing. Just perfect for peep toe shoes, these liners will provide ultra comfort all day long.