These men's Nike Tri Fusion Run shoes offer excellent traction through flex groove pattern outsoles, making them a great option for your most intense workouts.SHOE TECHNOLOGIESTri-density midsole and flex groove pattern outsole for a soft, smooth transition with each stepStrategically placed anatomical flex groovesLateral midfoot strap and leather overlays for structure and supportSHOE CONSTRUCTIONLeather, mesh, manmade upperFabric liningTri-density midsoleRubber outsoleSHOE DETAILSLace-up closurePadded footbed