Internal heel counters maintain alignment during lateral cuts, proven to reduce ankle roll risk in lab simulations, best running shoes to train for half marathon.

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.

Features:

• 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.
• 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

Midfoot strap integration provides adjustable compression for different lift techniques, puma crossfit training shoes.