| UK | US | EU |
| 6.5 | 7.5 | 40 |
| 7 | 8 | 40.5 |
| 7.5 | 8.5 | 41 |
| 8 | 9 | 42 |
| 8.5 | 9.9 | 42.5 |
| 9 | 10 | 43 |
| 9.5 | 10.5 | 44 |
| 10 | 11 | 44.5 |
| 10.5 | 11.5 | 45 |
| 11 | 12 | 46 |
UK sizing. Fits true to size. Please select the size you normally wear.
If you have any questions, please email us at shop@officinalisboa.com. We are glad to help.