Inov-8 Road-Xtreme 138 - Men'sPerfect for pure, barefoot running, the Inov-8 Road-Xtreme 138 takes the title as the most lightweight of high-grip, road running shoes. Not only will your foot stay dry and be able to breathe with the upper's mixed-mesh lining, but the EVA and rubber outsole provides assured traction while staying light. Imported. Wt. 4.9 oz.