Leather Oliver Cabell boots should fit firmly to start with. They will give and loosen up with wear as a result of the calfskin leather used to construct the shoes upper. Fits true to size.
Recommendation: Take your normal size. If you wear a half size, size up if you have a wide foot. Size down if narrow or average width.| US | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 |
| EU | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 |
| UK | 5.5 | 6.5 | 7.5 | 8.5 | 9.5 | 10.5 | 11.5 | 12.5 | 13.5 |