The men's On Running Cloud X Z5 running shoes in all black are designed for the streets and gym workouts and feature uppers with mesh zones and tactile 3D print, X-shaped Speedboard® for improved forefoot flexibility. Helion™ superfoam midsoles for a softer sensation under foot, easy on/off bootie construction with speed laces, breathable mesh zones, amd a contemporary design that comes in three natural colourways.