On Men's Cloudmonster 2 PAF size guide
Thorn | Brown
Our tool compares official On size charts to find your perfect size. No measuring needed.
Does the On Men's Cloudmonster 2 PAF run small or large?
1 owners of the On Men's Cloudmonster 2 PAF have reported their size so far, including EU 46. We hold off on fit guidance until enough have reported for it to mean something.
On has not published a size chart for the On Men's Cloudmonster 2 PAF. What you see above is the brand's general chart, which covers the whole range rather than this model.
Official On Size Chart for Men's Cloudmonster 2 PAF
This chart covers EU 40 to EU 50, which is feet from 24.7 cm to 33 cm long.
This is the official brand-wide On size chart. On uses the same chart for the On Men's Cloudmonster 2 PAF as for its other models.
Source missing — we cannot point to the page this chart was published on.
Fetched 2026-10-05 10:48:07
| Foot Length | UK | EU | US |
|---|---|---|---|
| 24.7 - 25.0 cm | 6.5 | 40 | 7 |
| 25.0 - 25.5 cm | 7 | 40.5 | 7.5 |
| 25.5 - 26.0 cm | 7.5 | 41 | 8 |
| 26.0 - 26.5 cm | 8 | 42 | 8.5 |
| 26.5 - 27.0 cm | 8.5 | 42.5 | 9 |
| 27.0 - 27.5 cm | 9 | 43 | 9.5 |
| 27.5 - 28.0 cm | 9.5 | 44 | 10 |
| 28.0 - 28.5 cm | 10 | 44.5 | 10.5 |
| 28.5 - 29.0 cm | 10.5 | 45 | 11 |
| 29.0 - 29.5 cm | 11 | 46 | 11.5 |
| 29.5 - 30.0 cm | 11.5 | 47 | 12 |
| 30.0 - 30.5 cm | 12 | 47.5 | 12.5 |
| 30.5 - 31.0 cm | 12.5 | 48 | 13 |
| 31.0 - 31.5 cm | 13 | 48.5 | 13.5 |
| 31.5 - 32.0 cm | 13.5 | 49 | 14 |
| 32.0 - 33.0 cm | 14.5 | 50 | 15 |
On publishes this chart as foot length, so the lengths above are the foot each size fits and we use them as published.
Frequently Asked Questions
On Running is a Swiss performance running shoe brand founded in 2010, known for its innovative CloudTec cushioning technology. The brand combines Swiss engineering with a focus on comfort and performance.
On Running shoes generally fit true to size with a secure, performance-oriented fit. The brand uses a unique lacing system that provides a snug midfoot while allowing toe splay.
Order your normal running shoe size for On Running. If you prefer a roomier fit or plan to wear thick socks, consider going up half a size.
General guidance for On, written by us. It is not measured from this model's chart and not based on what owners report.
Last updated: 2026-10-05 10:48:07