On Running has taken the Cloudflow 5 to the next level of speed! Inspired from their latest race-winning Cloudboom technology, you will experience strong, snappy response, effortless rolling propulsion – perfect for speedy training sessions. The Cloudflow 5 gets the new Helion HF superfoam, a more aggressive fast-rolling rocker, updated toebox and added forefoot grip. The combination of the Helion HF foam and nylon Speedboard gives a responsive, snappy ride, making it versatile for faster runs, speed sessions, shorter road races. Also ideal for those who wants a speedy shoe with a lower stack height, more ground feel and faster snappy toe-off. What to love: Race-day inspired upper and rocker geometry Helion HF superfoam for max responsiveness and rebound Light, low-profile speedy trainer and racer UPPER Engineered woven mesh upper provides breathable and ultralight feel Reflective elements on the heel and logo for night visibility MIDSOLE Powered by Helion™ HF for maximum energy return and rebound Nylon blend Speedboard infused with glass fibers delivers powerful and strong propulsion A more aggressive forefoot rocker to further encourage forward rolling motion OUTSOLE A grippy outsole, with high abrasion rubber on high wear areas like forefoot and heel. A closed-channel outsole to prevent rocks trapping
