ON Running
On Cloudmonster 3 Men's
On Cloudmonster 3 Men's
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We've levelled up the latest Cloudmonster, bringing back the forward-rolling ride you love. Now featuring a triple-layer CloudTec® cushioning system for more responsiveness.
Supercharge your run
Every run, covered. Designed for enhanced impact absorption, while bringing back the responsive, forward-rolling ride you love
Built for responsiveness
Experience a new level of responsiveness with a triple-layer CloudTec® cushioning system. An enhanced rocker shape and propulsive Speedboard® deliver a smooth forward roll and energetic push-off.
A secure, breathable fit
The engineered knit upper features targeted zones for breathability, while the enhanced tongue design delivers step-in comfort and a secure lockdown.

Size & Fit
Regular. True to size.
| eu | 40 | 40.5 | 41 | 42 | 42.5 | 43 | 44 | 44.5 | 45 | 46 | 47 | 47.5 | 48 | 48.5 | 49 | 50 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| br | 37 | 38 | 39 | N/A | 40 | 41 | N/A | 42 | N/A | 43 | 44 | 45 | 46 | 47 | N/A | 47 |
| jp | 25 | 25.5 | 26 | 26.5 | 27 | 27.5 | 28 | 28.5 | 29 | 29.5 | 30 | 30.5 | 31 | 31.5 | 31.5 | 33 |
| uk | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14.5 |
| us | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 | 15 |
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