Measure the circumference of above the ball of your ankle with your foot resting flat on the ground.
If you are between sizes it is advisable to go for the larger size.
| Size | Range (cm) | Range (Inches) |
| Small | 17cm - 19.5cm | 6.3" - 7.7" |
| Medium | 19.5cm - 22cm | 7.7" - 8.7" |
| Large | 22cm - 24.5cm | 8.7" - 9.6" |
| XL | 24.5cm - 27cm | 9.6" - 10.6" |
| XXL | 27cm - 29.5cm | 10.6" - 11.6" |