Nike dual fusion x 2 running shoes mens these nike dual fusion x 2 running shoes are lightweight and breathable making them ideal for mid to long distance runs they have a mesh upper with synthetic overlays for support to the foot a lace up fastening padded ankle collar padded tongue cushioned insole thick mid sole for absorbing impact and textured grip sole for traction finished off with nike swoosh to the sides mens running shoes lace up fastening padded ankle collar