Cloudboom Strike LS - Unisex

Product Info Whats this? On Cloudboom Strike LS 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: 8mm (heel-to-toe) Stack Height: 37mm (heel) / 29mm (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.