Made of soft material for a comfortable fit, these are easy to wear for long periods without getting tired. The arch support structure firmly supports the arch of the foot, reducing the burden on the soles of the feet and knees. They also have deodorizing and antibacterial effects, reducing stuffiness and odor. Size adjustment is easy, and they can be used by people of all ages and genders. Perfect for walking and sports. Please give them a try! "Knock-knees (inner high, outer low)" ◇Size: 37-38 (23.5-24cm) ◇Available Colors ・Black (back: yellow) ※Individual results may vary. ※Due to being an overseas product, they are not as refined as those made in Japan. There may be size errors, individual differences, and imperfections in the construction. Therefore, we have set a reasonable price. ※Some outer bags may be damaged from the time of purchase, but we will ship them as they are. Thank you for your understanding. ※If there are initial defects or incorrect items, please be sure to contact us before giving a review. We cannot exchange or return items after a review has been given, so please be aware of this.