On Cloudflow 5 Arctic

The training shoe for fast intervals. With Helion™ HF hyper foam and a nylon-blend Speedboard® for high energy return.

• 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