The On Cloudswift 4 combines performance and comfort for the ultimate running experience. Featuring a sock-like upper with 3D heel padding, it ensures a snug, secure fit with every stride. The CloudTec® cushioning delivers superior shock absorption, while the wider clouds provide a more responsive, cushioned sensation. The engineered knit upper and Bio Attributed EVA midsole bring a sustainable edge to the design, and the updated outsole offers a more precise, tailored fit. Finished with a nylon blend Speedboard for smoother transitions and added flexibility.