On - Women's Cloudflow 5 - Running shoes size 39, grey

The training shoe for fast intervals. With Helion™ HF hyper foam and a nylon-blend Speedboard® for high energy return.. Size & Fit: Regular. True to size.. Key Features:. Weight: 231g. A layer of Helion™ HF for max energy return and rebound. Propulsive glass fiber nylon-blend Speedboard®. Engineered woven mesh upper that's breathable and ultralight. Design inspired by our pinnacle, race-winning super shoes. Extreme rocker shape for a fast, forward-rolling ride. Updated toebox design for fast training sessions. Forefoot grip for added support during the toe-off phase. Now with Helion™™ HF. Inspired by our pinnacle race-day shoes, the midsole features a layer of Helion™ HF for maximum rebound. Expect a responsive ride with a serious kick of energy return.. Maximum propulsion. Strong yet springy, the nylon-blend Speedboard® is infused with glass fibers for powerful forward propulsion. The rockered forefoot further enhances this forward-rolling motion.. Athlete-inspired desi