The Inov-8 Road-X 255 is steady, comfortable and natural, untainted by superfluous technology. This pure 3 Arrow Shoc-Zone running shoe provides sufficient underfoot protection, so that most recreational runners will be able to wear them to race or train in regularly. Inbuilt lightness, a natural proprioceptive running sensation and superb comfort. Synthetic toe and heel panel over nylon 3D air mesh upper with TPU support webbing. Injected EVA midsole with nylon Dynamic Fascia Band (DFB) increases the efficiency of the gait cycle. Sticky rubber outsole provides ultimate traction. Removable insole. Wt. 9.4 oz.