We've used "ZULEN," a shock-absorbing material developed by Bridgestone. It provides a soft feel and continuously absorbs impact while walking, reducing foot fatigue from prolonged walking. Size: M (22cm - 23cm) Heel Height: 5cm, 1 piece Recommended for fashionable wear such as Tsumugi and Komon. Stock from a kimono shop, new but unused. Since it is unused, there is no noticeable damage.