On Cloudboom Strike LS - Unisex
Ultralight speed. Engineered for the future.
The Cloudboom Strike LS is built for athletes chasing serious pace. With On's lightest-ever LightSpray™ upper, dual layers of Helion™ HF hyper foam, and a spoon-shaped carbon Speedboard®, it’s designed to deliver maximum propulsion with minimal weight. A seamless, second-skin fit combines cutting-edge sustainability with race-ready innovation – for performance without compromise.
Details
- Weight: 170g
- Offset: 4mm (heel-to-toe)
- Stack Height: 39.5mm (heel) / 35.5mm (forefoot)
- Cushioning: Helion™ HF hyper foam (over 40% bio-based)
- Upper: LightSpray™ seamless construction
- Outsole: Rubber with increased ground contact zones
- Sustainability: Upper emits 75% less CO₂ vs. premium alternatives
Features
- LightSpray™ technology: seamless, second-skin upper made from a single filament
- Lace-free, distraction-free fit with just 30g of upper material
- Over 40% bio-based Helion™ HF hyper foam for cushioning and rebound
- Spoon-shaped carbon Speedboard® for energy transfer and propulsion
- Dual layers of Helion™ HF for impact protection and responsiveness
- Maximized outsole traction with increased ground contact
- Sockliner-free design to increase foam content and reduce weight
Ideal For
Runners chasing PRs with a carbon-plated super shoe that blends speed, cushioning, and sustainable innovation. Best for marathons, half-marathons, and high-intensity racing where every gram – and every second – counts.