| Size | UK 3 | UK 4 | UK 5 | UK 6 | UK 6.5 | UK 7 | UK 8 | UK 9 | UK 10 | UK 11 |
| EU | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 |
| Shoe Height (cm) | 39 | 40.2 | 41 | 42 | 42.6 | 43.2 | 44.4 | 45.6 | 46.6 | 47.6 |
| Top Calf (cm) | 36.1 | 37 | 37.7 | 39 | 39.6 | 40.2 | 41.2 | 42.2 | 43.2 | 44.2 |
| Ankle Circumference (cm) | 27.6 | 28.4 | 29.2 | 30 | 30.5 | 31 | 32 | 33 | 33.5 | 34 |
*Please note all measurement are approximate and calf & ankle measurements have been taken from inside the boot.