Size Chart
Colbo x Sperry Sizing
True to size
| US / CA | UK | Eur | Women's US Equivalent |
| 7 | 6 | 39.5 | 8.5 |
| 7.5 | 6.5 | 40 | 9 |
| 8 | 7 | 40.5 | 9.5 |
| 8.5 | 7.5 | 41 | 10 |
| 9 | 8 | 42 | 10.5 |
| 9.5 | 8.5 | 42.5 | 11 |
| 10 | 9 | 43 | 11.5 |
| 10.5 | 9.5 | 43.5 | 12 |
| 11 | 10 | 44 | 12.5 |
| 11.5 | 10.5 | 44.5 | 13 |
| 12 | 11 | 45 | N/A |
| 12.5 | 11.5 | 45.5 | N/A |
| 13 | 12 | 46 | N/A |