On Running Cloudsurfer 2 shoes have evolved for enhanced performance. Designed with more padding around the ankle collars and firmer foam, these running shoes help you achieve your personal best and go further and faster. Ideal for park laps or marathons. Refined CloudTec Phase cushioning provides a smoother ride. The engineered mesh upper increases breathability, keeping your feet cooler for longer. Redesigned computer optimized outsoles and tread patterns boost durability. Composition: Uppers are mesh. Soles are rubber. Refer to product label for care instructions.