Size Guide Brooks
| EU | US W | US M | UK W | UK M |
| 35.5 | 5 | - | 3 | - |
| 36 | 5.5 | - | 3.5 | - |
| 36.5 | 6 | - | 4 | - |
| 37.5 | 6.5 | 5 | 4.5 | 4 |
| 38 | 7 | 5.5 | 5 | 4.5 |
| 38.5 | 7.5 | 6 | 5.5 | 5 |
| 39 | 8 | 6.5 | 6 | 5.5 |
| 40 | 8.5 | 7 | 6.5 | 6 |
| 40.5 | 9 | 7.5 | 7 | 6.5 |
| 41 | 9.5 | 8 | 7.5 | 7 |
| 42 | 10 | 8.5 | 8 | 7.5 |
| 42.5 | 10.5 | 9 | 8.5 | 8 |
| 43 | 11 | 9.5 | 9 | 8.5 |
| 44 | 11.5 | 10 | 9.5 | 9 |
| 44.5 | 12 | 10.5 | 10 | 9.5 |
| 45 | 12.5 | 11 | 10.5 | 10 |
| 45.5 | 13 | 11.5 | 11 | 10.5 |
| 46 | 14 | 12 | - | 11 |
| 46.5 | 15 | 12.5 | - | 11.5 |
| 47.5 | 16 | 13 | - | 12 |
| 48.5 | - | 14 | - | 13 |
| 49.5 | - | 15 | - | 14 |
| 50.5 | - | 16 | - | 15 |