| Etonic / EU WOMEN |
IT | UK | US | LENGTH (cm) | |
| 36 | 36 | 3.5 | 6 | 22,5 | |
| 37 | 37 | 4.5 | 7 | 23,2 | |
| 38 | 38 | 5 | 7.5 | 23,8 | |
| 39 | 39 | 6 | 8.5 | 24,5 | |
| 40 | 40 | 6.5 | 9 | 25,2 | |
| 41 | 41 | 7.5 | 9.5 | 25,8 | |
| Etonic / EU MEN |
IT | UK | US | LENGTH (cm) | |
| 41 | 41 | 7.5 | 8.5 | 25,8 | |
| 42 | 42 | 8 | 9 | 26,5 | |
| 43 | 43 | 9 | 10 | 27,2 | |
| 44 | 44 | 9.5 | 10.5 | 27,8 | |
| 45 | 45 | 10.5 | 11 | 28,5 |