These boys' Nike Revolution 2 running shoes provide a natural range of motion and ventilated comfort. In gray/volt.SHOE TECHNOLOGIESLightweight mesh upper for breathabilityStrategically placed overlays for supportDeep flex grooves enhance range of motionSHOE CONSTRUCTIONMesh, synthetic upperFabric liningManmade midsoleRubber outsoleSHOE DETAILSLace-up closurePadded footbed