On
Sizes are the brand’s own labels, mostly Italian (IT). See size guide for UK, US & EU conversions.
The On 'Cloudmonster Void' sneaker redefines the codes of sportswear through a striking black monochromatic aesthetic. The upper in breathable technical mesh is enriched with structured overlaps and TPU details that guarantee support and resistance. The design is distinguished by the impressive sole equipped with CloudTec technology and Helion foam, characterized by large hollow elements that offer superior cushioning. The brand logo on the side and the discreet Swiss flag on the heel sign the model with precision. An essential shoe that elevates the daily wardrobe by blending engineering innovation and contemporary style. - Technical mesh upper - Synthetic overlays and TPU details - Voluminous sole with CloudTec technology - Helion foam - Lace-up closure - Logo on the side and on the tongue - Speedboard® for greater stability
| 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 →
