On Running Cloud X 4 is a versatile training sneaker from On Running designed for high-intensity workouts and everyday training. It delivers forefoot flexibility and stable support thanks to an X-shaped Speedboard and supportive midfoot construction. Key attributes: White | Neutrals | Mesh | Breathable upper | Helion superfoam midsole for soft landings and energy return | Lace-up fastening | Midfoot cage for lateral support | Rubber outsole for traction | Low-top training silhouette | X-shaped Speedboard for enhanced forefoot flex | Plush heel collar and tongue | Dimensions & fit: Heel-to-toe drop: 7 mm | Composition & care: Upper: Polyester (mesh) | Midsole: Helion superfoam | Outsole: Rubber