SKECH-AIR ELEMENT Sketch Air Element Price: ¥9790 ●Color: Blue x Green ●Size: 23.5cm Breathable mesh material. The insole is equipped with "Air Cooled Memory Foam". This combines a very soft memory foam material with a comfortable-to-the-touch material, providing a foot-hugging fit for a comfortable wearing experience. These are used items, so there is some slight wear and tear, but there are no noticeable damages or stains, so they can still be worn for a long time.