On
Sizes are the brand’s own labels, mostly Italian (IT). See size guide for UK, US & EU conversions.
The ON Cloudmonster 1 sneakers redefine urban performance through advanced engineering design. The breathable technical mesh upper, declined in a sophisticated light gray shade with blue accents, wraps around the foot ensuring optimal support. The silhouette is dominated by the impressive structured sole with CloudTec technology, designed for superior cushioning, and features an 8 mm drop. Iconic details such as the side maxi lettering, the contrasting logo and the discreet Swiss flag insert embellish the profile. A masterpiece of innovation that transforms every step into an experience of pure dynamism and absolute comfort. - CloudTec® sole - Speedboard® technology - Helion foam" - Drop 8 mm - Integrated fastening system - Oversize side logo
| EU | UK | US | Foot length |
|---|---|---|---|
| 39 | 5.5 | 6 | 24.5 |
| 40 | 6.5 | 7 | 25.0 |
| 41 | 7 | 7.5 | 25.5 |
| 42 | 8 | 8.5 | 26.0 |
| 43 | 9 | 9.5 | 26.5 |
| 44 | 9.5 | 10 | 27.5 |
| 45 | 10.5 | 11 | 28.0 |
| 46 | 11 | 11.5 | 29.0 |
The size shown is the manufacturer's own label. The table below is general guidance for converting between systems, not measurements of this garment — brands vary, and the same number means a different size on Italian and Spanish labels. The reliable comparison is the waist in cm against something you already own that fits. See full size guide →