Sports socks with non-slip grips on the back, set of 3, each in a storage bag. The grips improve performance. Size: 24-27.5cm, Free Size Heel to opening: Approximately 15 cm Purchased last year and stored at home without use. Suitable for any sport. Can be used for various sports such as soccer, futsal, badminton, tennis, table tennis, running, and baseball. Please purchase if you understand that the item has been stored at home. Shipping may use recycled materials.