Size guide
For a correct size measurement, the foot must be placed on a sheet and mark as reference points the front end of the foot (big toe) and the heel: then measure the distance between the two points identified.
| Ottaviani | CM | IT | JP | UK | US |
|---|---|---|---|---|---|
| 39 | 25 | 39 | 25 | 5 | 6 |
| 39½ | 25.5 | 39.5 | 25.5 | 5.5 | 6.5 |
| 40 | 26 | 40 | 26 | 6 | 7 |
| 40½ | 26.5 | 40.5 | 26.5 | 6.5 | 7.5 |
| 41 | 27 | 41 | 27 | 7 | 8 |
| 41½ | 27.5 | 41.5 | 27.5 | 7.5 | 8.5 |
| 42 | 28 | 42 | 28 | 8 | 9 |
| 42½ | 28.5 | 42.5 | 28.5 | 8.5 | 9.5 |
| 43 | 29 | 43 | 29 | 9 | 10 |
| 43½ | 29.5 | 43.5 | 29.5 | 9.5 | 10.5 |
| 44 | 30 | 44 | 30 | 10 | 11 |
| 44½ | 30.5 | 44.5 | 30.5 | 10.5 | 11.5 |
| 45 | 31 | 45 | 31 | 11 | 12 |