On Running Size Chart
On was born in the Swiss alps with one goal: to revolutionize the sensation of running. It’s all based on one radical idea. Soft landings followed by explosive take-offs. Or, as we call it, running on clouds.
Men
| US | EUR | UK | CM |
| 7 | 40 | 6.5 | 25 |
| 7.5 | 40.5 | 7 | 25.5 |
| 8 | 41 | 7.5 | 26 |
| 8.5 | 41.5 | 8 | 26.5 |
| 9 | 42 | 8.5 | 27 |
| 9.5 | 42.5 | 9 | 27.5 |
| 10 | 43 | 9.5 | 28 |
| 10.5 | 43.5 | 10 | 28.5 |
| 11 | 44 | 10.5 | 29 |
| 11.5 | 46 | 11 | 29.5 |
| 12 | 47 | 11.5 | 30 |
| 12.5 | 47.5 | 12 | 30.5 |
| 13 | 48 | 12.5 | 31 |
| 14 | 49 | 13.5 | 31.5 |
Women
| US | EUR | UK | CM |
| 5 | 36 | 3 | 22 |
| 5.5 | 36.5 | 3.5 | 22.5 |
| 6 | 37 | 4 | 23 |
| 6.5 | 37.5 | 4.5 | 23.5 |
| 7 | 38 | 5 | 24 |
| 7.5 | 38.5 | 5.5 | 24.5 |
| 8 | 39 | 6 | 25 |
| 8.5 | 39.5 | 6.5 | 25.5 |
| 9 | 40 | 7 | 26 |
| 9.5 | 40.5 | 7.5 | 26.5 |
| 10 | 41 | 8 | 27 |
| 10.5 | 41.5 | 8.5 | 27.5 |
| 11 | 42 | 9 | 28 |
| Size | YS | YM | YL | S | M | L | XL | XXL | XXXL |
| MENS | 7/8 | 9/10 | 11/12 | 13/14 | |||||
| WOMENS | 5/6 | 7/8 | 9/10 | 11 |