Designed specifically for winter running, the Razor ICE+ combines a protective, fleece-lined upper with Vibram Arctic Grip and IceTrek outsole for superior traction on icy surfaces, even in low temperatures. Features FLEXFILM no-sew neoprene upper enhances fit with fleece lining Internal ISOFIT creates a dynamic fit by adapting to the shape and motion of the runner's foot Speed lacing system EVERUN Heel Insert construction for enhanced energy return and continuous cushioning Vibram Arctic Grip f |