Step up your speed game with the ON RUNNING Cloudflow 5 "Arctic Stone", the lightweight performance trainer built for fast intervals and tempo runs. Borrowing race-day tech, this shoe features Helion™ HF hyper foam and a glass fiber-infused nylon-blend Speedboard® for maximum energy return and powerful, snappy propulsion. The engineered woven mesh upper is ultralight and breathable, delivering a secure, fast-feeling ride with an extreme rocker shape that drives you forward to crush your personal bests.
