■ Won't Slip Off ■ The uniquely developed "U-shaped stopper™," which was created through research on foot movement and fabric elasticity, firmly holds the heel. Patent No. 6449036 ＜With Size Print＞ The size is printed on the inside of the socks. ＜How to Wear Cocopita™＞ Please wear the socks so that the U-shaped stopper™ firmly wraps around the heel. Make sure the heel fabric fits snugly without any excess. ＜Convenient 3-Pair Set for Easy Replacement＞ Because of the simple design, you can use them in a wide variety of situations. - Color: Gray - Quantity: 3-pair set - Style: Low Cut - Material: Cotton blend Thank you for viewing.