Product Information Product Name: Sling Back Socks Manufacturer: Innotex Korea (Made in Korea) Materials: Cotton, Polyurethane, Other Size: Free Original Price: 5,000 won per set There are 8 sets, each containing 2 pairs. Features: Protects feet from sweat and calluses that can occur on the toes. The open heel design won't interfere with pumps or mule-type shoes. The nude belt provides a secure hold, making them less likely to slip off. Excellent elasticity provides a flexible fit, but we recommend them for shoe sizes 23-25.