On Running Cloud X 4 is a versatile training sneaker designed for dynamic workouts and cross-training. It combines responsive CloudTec cushioning and an X-shaped Speedboard for flexible, powerful movement. Key attributes: Blue | Breathable fabric | CloudTec cushioning | Helion superfoam | X-shaped Speedboard for forefoot flex | Breathable mesh upper | Lace-up fastening | Midfoot cage for added support | Rubber outsole for traction | Low-profile design | Padded collar | Dimensions & fit: Heel-to-toe drop: 7mm | Stability: Light | Weight: 288 g (manufacturer figure) | Composition & care: Upper: Breathable mesh (fabric) | Sole: Rubber