Retail price: 4,999 yen Unopened, unused, brand new. The inside is made of soft sponge for a comfortable fit, and the outside is made of hard sponge for a sturdy feel. The surface is PU and highly durable. The inner lining, which directly touches your feet, is made of quick-drying material, so you can feel secure even if you sweat. Suitable for a wide range of users, from beginners to professional athletes' hard training. *This M size is suitable for people approximately 160-177cm tall.