Inov-8 Road-xtreme 138 - Men'sCapable of keeping up with your advanced, natural running technique, the Inov-8 Road-Xtreme 178 provides an ultra-lightweight, road running experience. The EVA and rubber outsole remains lightweight, while offering high-grip traction. The mixed-mesh lining of the upper allows the shoe to breathe, keeping your foot comfortable no matter the conditions. Imported. Wt. 6.3 oz.