On Running Cloudsurfer Next Glacier Iron Grey Trail Shoes Mens 13 On Running Cloudsurfer Next trail running shoes in a sleek Glacier/Iron colorway. Note: Insoles replaced and minor marks as shown in the picture These performance sneakers feature CloudTec Phase technology for a smooth, cushioned ride and Helion superfoam for energy return. The breathable mesh upper is reinforced with synthetic overlays for durability on the trails, while the Missiongrip rubber outsole provides traction. Note that these have been upgraded with Aetrex Premium Memory Foam insoles for enhanced arch support #Lightweight #Contemporary