On Running Cloudhorizon WP combines waterproof protection with CloudTec Phase cushioning for stable, comfortable hiking on moderate terrain. Built for grip and long walks, it delivers a smooth, cushioned transition on wet and dry surfaces. Key attributes: Black | Engineered mesh | CloudTec Phase for smooth, cushioned transition | Helion superfoam midsole for impact cushioning | Missiongrip rubber outsole for traction on wet and dry terrain | 6 mm heel-to-toe drop | Built for stability and durability on moderate terrain | Waterproof membrane | Reinforced heel counter for stability | Engineered mesh upper with TPU reinforcement panels | Heel loop for easy on/off | Flat laces | Dimensions & fit: Weight: 244 g | Heel-to-toe drop: 6 mm | Regular fit — US 8 corresponds to EU/IT 39. | Consult the ON WOMEN'S FOOTWEAR USA size chart for exact sizing. | Composition & care: Vamp: 92% Polyester, 8% Elastane | Quarter: 100% Polyester | Quarter: 100% Polyamide (hot melt) | Tongue: 100% Polyester | Collar lining: 100% Polyester | Midsole: Helion superfoam | Outsole: Missiongrip rubber