On Running Cloudswift 4 combines urban road performance with everyday comfort. The Cloudswift 4 pairs dual-density Helion superfoam with a breathable engineered mesh upper for responsive, ventilated city runs. Key attributes: Blue | Mesh | Dual-density Helion superfoam midsole for soft landings and responsive push-off | Breathable fabrics for ventilation | Mid cushioning suitable for road and city running | Updated midfoot cage for improved lockdown | Standard lacing system | Nylon-blend Speedboard for propulsion | One-piece knitted/mesh upper | Perforated toe box | Rockered midsole geometry | Dimensions & fit: Comfortable fit | Heel-to-toe drop: 8 mm | Composition & care: Mesh upper | Helion superfoam midsole | Nylon-blend Speedboard | Rubber outsole