The fastest On ever, refined over four years by elite athletes. For the seconds that matter most, the On™ Cloudflash running sneaker delivers with every step. Best for: Going fast: Road racing, 5k, 10k, tempo training, interval training. Surface: Road. Cushioning: Soft. Stability: Stable; designed for mild-moderate overpronation. Heel/Toe Drop: 5mm. Ultralight engineered mesh upper with an updated pattern that optimizes airflow. Padded tongue and collar with traditional lace-up closure. Helion™ superfoam cushioning is responsive yet protective, and resistant to temperature change for year-round performance. On running Speedboard™ promotes the natural rolling motion of the foot and facilitates efficient energy transfer from landing to take-off. CloudTec® technology offers cushioning during the landing phase and locks firm to form a solid foundation for natural and powerful propulsion. 3D-molded heel and slightly wider outsole. Durable outsole offers traction and support. 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. Product measurements were taken using size 8.5, width M. Please note that measurements may vary by size. Measurements: Weight: 7 oz Gender: Men Color Map: White Footwear Type: Sneakers Upper Material: Mesh