Base London Size Guide
Base London Men's Size Guide
| UK Size | EU Size | USA Size | Foot Length in cm |
| 5 | 39 | 6 | 24.6 |
| 6 | 40 | 7 | 25 |
| 7 | 41 | 8 | 25.4 |
| 8 | 42 | 9 | 26.3 |
| 9 | 43 | 10 | 27.2 |
| 10 | 44 | 11 | 27.6 |
| 11 | 45 | 12 | 28 |
| 12 | 46 | 13 | 28.9 |
| UK Size | EU Size | USA Size | Foot Length in cm |
| 5 | 39 | 6 | 24.6 |
| 6 | 40 | 7 | 25 |
| 7 | 41 | 8 | 25.4 |
| 8 | 42 | 9 | 26.3 |
| 9 | 43 | 10 | 27.2 |
| 10 | 44 | 11 | 27.6 |
| 11 | 45 | 12 | 28 |
| 12 | 46 | 13 | 28.9 |