★ Ergonomic, shock-absorbing 5-layer insole ★ 1st Layer: Cotton material, excellent for sweat absorption, dehumidification, and deodorization. 2nd Layer: EVA resin, highly cushioned, mitigating impact on the soles of the feet. 3rd Layer: TPU material, firmly fitting from the arch to the heel! 3D structure that maintains stability during exercise, reducing sprains and falls. 4th Layer: Silica gel at the arch and heel edges, dispersing pressure during exercise and absorbing shock. 5th Layer: PORON shock-absorbing sheet at the heel and forefoot, efficiently absorbing shock. 《Features of PORON Material》 PORON is overwhelmingly more resistant to degradation than other materials like EVA and gel, exhibiting high shock absorption and resilience! It is used in internal shock-absorbing pads for insoles, sports gear, apparel, yoga mats, etc. 〖Materials〗 Silicone, Ethylene Vinyl Acetate, Silica Gel, Thermoplastic Polyurethane, Urethane Foam 〖Sizes〗 37-38 (22.5〜24.5cm) 41-42 (25.5〜26cm) 45-46 (25.5〜28cm) ※ Please cut to your desired size with scissors. 【Important Notes】 Due to being an overseas product, there may be unevenness, rough areas, or slight soiling compared to Japanese products. There may be a manufacturing error of approximately 2mm. Colors and textures may appear different from the actual product depending on your monitor. Returns and cancellations due to customer reasons will not be accepted. Packaging will be simplified to keep prices low. Please consider the above points before making a purchase. Please refrain from purchasing if you are overly sensitive to these details.