Retail price: ¥4,999 Brand new, completely unused. The inside is made of soft sponge for a comfortable fit, while the outside is hard sponge for excellent support. The surface is PU, which is also highly durable. The lining that 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.