On LightSpray Cloudmonster 3 Hyper – Robot-Sprayed Training Shoe
On LightSpray Cloudmonster 3 Hyper is On’s lightest Cloudmonster ever made. A robotic arm sprays its laceless upper directly onto the midsole, built for serious road mileage.
What Makes On LightSpray Cloudmonster 3 Hyper Different
- LightSprayâ„¢ upper is sprayed by robot from a single 1.5km polymer filament
- Just eight total components: one upper, two midsole pieces, five rubber elements
- Weighs only 205 grams (men’s US 8.5), 90 grams lighter than the standard Cloudmonster 3
- 77% more Helionâ„¢ HF hyper foam than the original Cloudmonster Hyper
- Laceless, seamless design creates a locked-in, second-skin fit
- Upper molds to your foot’s shape over time for a personalized feel
- Manufacturing produces 75% less CO2 than other On racing shoes at On Labs Zurich
A Manufacturing Story as Big as the Shoe Itself
Traditional running shoes take roughly 200 manufacturing steps across multiple factories. LightSpray compresses that into a single robotic process lasting about three minutes. First used on the race-day Cloudboom Strike, this is the technology’s debut in a true training shoe, built for everyday high-mileage running rather than race day alone.
Fit & Use Notes
The seamless upper fits true to size, with no extra padding to account for. It’s engineered specifically for road running and isn’t recommended for trails or technical terrain.
Related from On’s Cloudmonster Collection
Want the same cushioning without the LightSpray premium? The standard Cloudmonster 3 Hyper offers a similar Helion HF ride with a traditional laced upper. For race-day speed instead of daily training, the LightSpray Cloudboom Strike brings this technology to competitive marathon racing.

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