Features a breathable 3D-knit upper that conforms to the arch without constriction, on cloud shoes training.

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 On's 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.

Features:

• Now with Helion HF: Inspired by On's 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.
• 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.
• 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.
• UPPER: The engineered woven mesh upper provides maximum breathability and a weightless feel on the foot. Features reflective elements on the heel and logo for an eye-catching look.
• Drop: 6mm

Flexible grooves in the outsole allow natural foot movement during various activities, including running, carbon plated shoes for training.