On Running Cloudswift Amp pairs a street-ready silhouette with responsive running technology. Designed for city runs and everyday wear, it offers cushioning and a locked-down fit for confident, comfortable movement. Key attributes: Black | Polyester | CloudTec® cushioning for soft landings and energy return | Dual-density Helion™ midsole for impact absorption | Responsive ride | 8 mm heel-to-toe drop | Standard lacing | Upper cage construction for lockdown and support | Rubber outsole for traction | Injected nylon-blend Speedboard® for propulsion | Low sport profile | Minimalist technical silhouette | Full visible tech bottom unit | Dimensions fit: Weight: 325 g | Heel-to-toe drop: 8 mm | True to size. | Composition care: Polyester