| EU | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 |
| UK | 3 | 3.5 | 4 | 5 | 6 | 6.5 | 7 | 8 | 9 | 10 | 11 |
| US WOMEN | 5 | 5.5 | 6 | 7 | 8 | 9 | 9.5 | 10 | 11 | 12 | 13 |
| US MEN | 4 | 4.5 | 5 | 6 | 7 | 7.5 | 8 | 9 | 10 | 11 | 12 |
| Japan | 21 | 21.5 | 22 | 23 | 24 | 25 | 25.5 | 26 | 27 | 28 | 29 |
Size, fit and measurements may vary from one style to another, which means there might be slight differences