About the On Cloudultra Meet the all-new Cloudultra trail running shoe from On! This award-winning shoe is Swiss-engineered to take on trails of any distance in total comfort. Featuring two layers of Clouds for superior cushioning works perfectly with Helion superfoam for constant comfort. A connected CloudTec outsole improves gliding over rocky routes and the brand new FlipRelease tool makes expanding your fit as easy as flicking a switch when the mountain demands more, helping you combat swollen feet. On Running have really upped their game when it comes to high-performance grip and the Cloudultra delivers on all fronts. The closed channel construction stops stones from catching while Missiongrip provides unparalleled traction to master mixed terrain. The ultra-breathable two-layer sandwich mesh upper is reinforced with a durable and lightweight TPU, while the wrap fit construction is perforated to ensure maximum comfort while offering superior climate-control. All features combined, the Cloudultra trail running shoe from On is the ultimate choice for anyone who wants a fast-paced trail shoe that will provide power and grip on any terrain. In the words of On, 'run on clouds' with this ultra-lightweight trainer and push your performance to the next level! Cloudultra Women's Trail Running Shoes