DURACAP�?reinforced materials, deeper knurl texture on the toe bumpers, and higher sidewall heights. Reconstructed with a molded heel counter and internal tongue straps. Proprietary SickStick�?gum rubber compound for cushioning and impact protection. PopCush�?energy return footbeds. 10 oz canvas and 6 oz canvas used in the upper, maintaining the aesthetic of the original Sk8-Hi®.