Men's On Cloudsurfer Trail 2 Waterproof - Black/Black For smooth, effortless trail running on mixed terrain. With more grip. A better fit. And it's waterproof too. DETAILS: CloudTec Phase® midsole for a smooth heel-to-toe transition Shock-absorbing Helion™ superfoam with soft padded heel Missiongrip™ rubber outsole for stability and traction Waterproof, protective and abrasion-resistant upper Precision-engineered using Finite Element Analysis (FEA) Improved heel fit and padded lining delivers extra comfort Super stable thanks to bigger lugs in a boomerang shape Take on trails and rolling hillsides in wet or dry weather