✅ These sandals have a design that secures the instep with double straps. The inside of the straps has elastic, providing flexibility. They pair well with crew socks and are suitable for everyday outings, office wear, and outdoor activities. ✅ The insole incorporates "Sorbo-Caine," a shock-absorbing material also used in the medical field, in the heel area. The sole is very light and soft. A support ring is attached for easy wearing by hooking your finger. Reflective tape is attached to the upper for nighttime safety. Bright colors are used for the insole so that small stones or debris inside the shoe can be easily found. ✅ 23.5 cm (Japanese shoe size) There are no noticeable stains, but there are small scratches and dirt. Please check the photos. The letters on the sole are worn off. Please consider purchasing if you are not concerned about these issues. ✅ Anonymous shipping If there is no cardboard box, the item will be shipped in cushioning material and a bag.