The sizes are based on Italian standards.
WOMEN
For those with a higher instep, consider going up half a size or more, especially for designs with instep straps, to make sure you're comfortable.
| IT/EU | US | UK |
| 35 | 4.5 | 2 |
| 35.5 | 5 | 2.5 |
| 36 | 5.5 | 3 |
| 36.5 | 6 | 3.5 |
| 37 | 6.5 | 4 |
| 37.5 | 7 | 4.5 |
| 38 | 7.5 | 5 |
| 38.5 | 8 | 5.5 |
| 39 | 8.5 | 6 |
| 39.5 | 9 | 6.5 |
| 40 | 9.5 | 7 |
| 40.5 | 10 | 7.5 |
| 41 | 10.5 | 8 |
| 41.5 | 11 | 8.5 |
| 42 | 11.5 | 9 |
MEN
Styles fit true to size.
| IT/EU | US | UK |
| 39 | 6 | 5 |
| 39.5 | 6.5 | 5.5 |
| 40 | 7 | 6 |
| 40.5 | 7.5 | 6.5 |
| 41 | 8 | 7 |
| 41.5 | 8.5 | 7.5 |
| 42 | 9 | 8 |
| 42.5 | 9.5 | 8.5 |
| 43 | 10 | 9 |
| 43.5 | 10.5 | 9.5 |
| 44 | 11 | 10 |
| 44.5 | 11.5 | 10.5 |
| 45 | 12 | 11 |
| 46 | 13 | 12 |
