On Running Cloudrunner 2 Waterproof combines supportive cushioning with a high-performance waterproof membrane for reliable wet-weather running and all-day activity. Key attributes: Sand | Dew | Polyester | Waterproof membrane | CloudTec cushioning | Helion superfoam midsole | Stone-resistant outsole | Stable support | Mid cushioning | Durable heel clip | Heel reinforcements | Plush tongue for easy step-in | Standard lacing | Mesh upper | Supportive running silhouette | Upgraded outsole design | Dimensions & fit: Weight: 270 g | Heel-to-toe drop: 10 mm | True to size | Composition & care: Vamp: 92% Polyester, 8% Elastane | Quarter: 100% Polyester | Tongue: 92% Polyester, 8% Elastane | Collar lining: 100% Polyester