On Running Cloudmonster 1 pairs maximal cushioning with a springy Speedboard® for an energetic, all-day ride—designed for city walking and everyday activity. Key attributes: Flint | Black | Polyester, TPU | CloudTec® cushioning for springy comfort | Speedboard® for energy return | Helion™ foam for impact absorption | Rubber outsole for grip | 8 mm heel-to-toe drop | Integrated lacing with hidden eyelets | Soft sockliner for step-in comfort | Forefoot rocker for natural toe spring | One-piece upper | Sleek, pared-back aesthetic | Bold rocker-shaped midsole | Dimensions & fit: Weight: 278.1 g | Heel-to-toe drop: 8 mm | True to size | Composition & care: Upper unit: Polyester, TPU | Speedboard: PEBAX | Outsole: Compressed vulcanized rubber | Midsole/technology: Helion™ foam, CloudTec®