The future of performance running is already here. With LightSpray™ , On unveils a radical innovation that redefines what a running shoe can be: lighter, faster, and more durable . The result? The Cloudboom Strike LS, On's lightest shoe ever, weighing just 170 grams .
Futuristic technology at the service of performance
A seamless cut, like a second skin
Using a single 1.5km filament spun by a robot, the Cloudboom Strike LS upper is created in a single piece. This ultra-fine, seamless, breathable mesh fits the foot like a second skin. No need for laces or a tongue: just the essentials for running fast, with precise support on race day. And at just 30g , it's the lightest upper On has ever produced.
A sustainable and innovative process
The LightSpray™ innovation isn't just about performance: it's also revolutionizing manufacturing. By reducing the process to a single, three-minute step , it:
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minimizes waste ,
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eliminates the use of glue ,
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reduces CO₂ emissions by 75% compared to conventional high-end stems.
A giant step for the environment, without compromising on quality.
Maximum power and propulsion
Underfoot, we have integrated the best performance technologies:
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Two layers of hyper-dense Helion™ HF foam for exceptional energy return and optimal shock absorption.
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A rigid, pre-formed carbon fiber Speedboard® plate that provides explosive propulsion with every stride.
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An optimized outsole with more contact zones for enhanced traction.
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CloudTec® geometry for a smoother ride and a quicker stride.
Main features
- Weight: 170 g
- LightSpray™ technology for our lightest upper yet
- Made without an insole to maximize Helion HF content
- Over 40% bio-based Helion™ HF foam for rapid energy return.
- CloudTec® elements allow for faster and smoother rolling.
- Seamless, responsive fit, like a second skin.
- Ultra-cushioned cushioning to protect against impact.
- Spoon-shaped Speedboard® to absorb and transfer energy.
- Laceless construction to minimize distractions.
The Cloudboom Strike LS: the future is in your hands
Designed for competitions and runners looking for pure speed, the Cloudboom Strike LS concentrates all of On's technological and sustainable know-how. With LightSpray™ , you're not just putting on a shoe: you're wearing a glimpse of the future of running .
👉 Available September 4th at Boutique Endurance. Come discover the LightSpray™ innovation and take your performance to a new level.
