The On Running Cloudsurfer Trail Waterproof Running Shoes are engineered with advanced CloudTec Phase technology for a smooth, energy-returning ride, perfect for everyday trails and moderate climbs. The Missiongrip rubber outsole provides stability and support on various terrains, wet or dry, with a unique lug pattern for enhanced traction. These trainers feature a waterproof membrane to keep your feet dry in adverse conditions and Helion super foam with a padded heel for superior shock absorption. Designed for trail running in any weather, these stylish trainers offer comfort and reliability. Composition: Upper: synthetic. Lining: synthetic. Sole: rubber. Care: Refer to the product label.