The On Cloudvista is your key to unlocking the trail. We recommend ordering a half size up. CloudTec outsole technology delivers soft landings followed by an explosive take-off. Helion superfoam cushioning is responsive yet protective, and resistant to temperature change for year-round performance. Missiongrip traction patterns and zig-zag channels are combined with flattering details that prevent slipping on smoother surfaces. Lace-up closure. Removable textile insole. Swiss-engineered Rebound Rubber offers a responsive ride with low-abrasion durability. Synthetic outsole. Textile and synthetic upper. Textile lining. Heel-to-Toe Drop: 9mm Imported. Please note that ONLY the On Cloud 50/50, Cloud 70/30, Cloud Terry, and Cloud running shoes feature an extra pair of conventional laces, along with the On Cloud easy-entry speedlaces. Measurements: Weight: 10 oz Product measurements were taken using size 9.5, width M. Please note that measurements may vary by size.