On — true to size?
On true to size: 72% true to size · 12% runs small · 16% runs large (Confidence 70%).
Best fit recommendation for On
For a 271 mm foot, On fits true to size. Best fit: US 10 (likely US 9–11), UK 9, EU 41, 27 cm — confidence 70%.
| Best fit | Likely range | UK | EU | CM | Confidence |
|---|---|---|---|---|---|
| US 10 | US 9–11 | 9 | 41 | 27 | 70% |
Evidence: 2 sources · no lab measurement in this record
See how we calculate for the methodology. Sizes vary by model and foot shape; this is an estimate, not a guarantee.
On — Recommended US men
| US | UK | EU | CM |
|---|---|---|---|
| 10 | 9 | 41 | 27 |