| Circumference 15 cm below knee | Circumference 15 cm above knee | |
| Small | 26-29 | 32-36 |
| Medium | 29-33 | 36-40 |
| Large | 33-37 | 40-44 |
| X-Large | 37-41 | 44-48 |
| XX-Large | 41-45 | 52-56 |
| XXX-Large | 45-49 | 60-64 |
Tip: If you are right in between two sizes, we recommend that you choose the smaller cover. This is to avoid the risk of the cover being too loose.