On Men's Cloudflow 5

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

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

Helion™ HF powers this lightweight running shoe for big energy return. Ideal for fast runs and intervals, it features an ultra-responsive midsole, rockered geometry, and nylon-blend Speedboard® for a fast, forward-rolling ride.

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 design
The large logo and eye-catching grip pads on the tip of the toe box mirror the design of our elite-level racing shoes. So now, everyone can look like an On athlete.