On Running Cloudswift 4 is a daily trainer designed for city streets, featuring CloudTec® cushioning and a dual-density midsole for soft landings and energized take-offs. Key attributes: Stone | Asphalt | Polyester | CloudTec® cushioning for a responsive ride | Dual-density Helion™ foam midsole for soft landings and propulsive take-offs | 8 mm heel-to-toe drop | Neutral support, medium cushioning | Standard lacing | Swift cage for secure midfoot lockdown | Grippy rubber outsole for reliable traction | Engineered flat-knit one-piece upper | Perforated toe box | Updated midfoot cage construction | Dimensions & fit: Weight: 278 g | Regular fit, true to size | Composition & care: Polyester