The Nike Shox Rival shoes were the product of a sixteen years of research in the Nike Labs. Connect the Shox cylinder is TPU heel. Shox shoes skid resistance is very good, this is due to the strong Shox column is placed in the bottom edge of the outside. Nike Shox of elastic shock column is not common material, but a high wear resistance of high elastic foamed material, mainly applied in formula one car chassis suspension system.