For the athletes who seek ULTIMATE durability and comfort. Made a big hit at Makuake, the major cloud-funding site, this model utilizes Teijin Frontier NANOFRONT™, Ultra-fine polyester nanofibers provide a strong gripping power "glue" foot and shoes together. Also CORDURA FABRIC®️ makes the ULTIMATE socks 13 times stronger than conventional sport socks. This is no longer consumable product but a "gear".
