On Cloudboom Strike 2 - Unisex

Built for marathoners and half-marathoners chasing a personal best, the On Cloudboom Strike 2 blends explosive energy return with a soft, adaptive ride tuned for race-day speed. Featuring the all-new CloudTec Sphere™ cushioning system, a refined Helion™ HF hyper foam, and a carbon Speedboard® for propulsion, this shoe is engineered to help you hold your pace from the starting line to the final mile.

Specifications

• Weight: 191g 
  
• Heel-to-Toe Drop: 4mm
  
• Stack Height: 39mm (Heel) // 35mm (Forefoot)
  
• Midsole: Helion™ HF hyper foam with carbon Speedboard®, removable top midsole layer
  
• Outsole: High-grip rubber outsole
  
• Upper: Adaptable, breathable open-weave mesh

Key Features

• CloudTec Sphere™ – Thin gaps between the forefoot and midfoot allow the foam move and flex freely in multiple directions, for a smoother, more responsive ride
  
• Helion™ HF Hyper Foam – A lighter and more resilient Helion foam which is tuned to maximize energy return over long distances
  
• Carbon Speedboard® – Drives propulsion and a springy toe-off, mile after mile
  
• Removable Top Midsole – The removable top midsole allows for a soft, responsive layer for a customizable, cushioned feel
  
• Breathable Open-Weave Upper – Lightweight support that keeps feet cool and comfortable from start to finish

Ideal For

Runners looking for race-day speed with dependable comfort. Perfect for road racing, from half marathon to full marathon distances, and built for neutral runners who want maximum cushioning without sacrificing responsiveness.