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

Size & Fit:Regular. True to size.

Key Features:

• 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

Now with HelionHF

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.

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 On’s elite-level racing shoes. So now, everyone can look like an On athlete.

Details:

• Cushioning:Mid:
• Road running style: Speed
• Lacing:Standard
• Heel to toe drop:6mm

Materials & Transparency

Materials:

• Upper Unit: Nylon, polyester
• Bottom Unit: Outsole: Rubber
• Speedboard: PA11 8% GF
• Technology: CloudTec