On Running Cloudmonster 1 pairs CloudTec® cushioning and an integrated Speedboard® to deliver springy, all-day comfort in a minimalist lifestyle silhouette. Key attributes: Gray | Grey | Mesh | CloudTec® cushioning for springy comfort | Helion™ superfoam midsole for impact absorption | Lightweight construction (~278 g) | 8 mm heel-to-toe drop | Integrated Speedboard® for propulsion | One-piece upper for easy step-in | Rubber outsole for grip | One-piece mesh upper | Hidden lace eyelets for a clean look | Forefoot rocker for toe spring | Minimalist, contemporary silhouette | Dimensions & fit: Weight: 278.1 g | Heel-to-toe drop: 8 mm | True to size | Composition & care: Mesh upper | Helion™ foam midsole | Integrated Speedboard® | Rubber outsole | Soft sockliner