On Running Cloudswift 4 is a road-focused city running sneaker that pairs soft Helion™ superfoam cushioning with a breathable one-piece knitted upper for a cushioned, responsive ride. Key attributes: Ivory | Alloy | Knitted mesh | Helion™ superfoam dual-density midsole | Breathable upper | Mid-level cushioning | Responsive, forward-rolling ride | Updated midfoot cage for improved lockdown | Nylon-blend Speedboard for responsiveness | Standard lacing | One-piece knitted upper | Perforated toe box | Rockered geometry | Dimensions & fit: Snug bootie construction | Comfortable fit | Composition & care: Knitted mesh upper | Helion™ superfoam midsole | Nylon-blend Speedboard | Rubber outsole