On Running Cloudswift 4 pairs urban-ready design with responsive cushioning, making it suited for daily runs and all-day city wear. Key attributes: Black | Polyester | Breathable upper | Dual-density Helion™ superfoam midsole for cushioning and energy return | Responsive ride via nylon-blend Speedboard® | One-piece knitted upper for a sock-like fit | Perforated toe box for added airflow | Updated midfoot cage for improved lockdown | Aerodynamic, modern silhouette | Visible logo and 'Cloudswift' tongue inscription | Rounded cloud-like sole elements | Dimensions & fit: Sole height: 3 cm | Sole height (highest point): 4.5 cm | True to size | Composition & care: Polyester | Helion™ foam | Nylon | Rubber | EVA