Size Thigh (5" above knee)* Calf (fullest part) Overall Length
XS 13.75 - 15.25" 11.25 - 12.75" 14.5"
S 14.75 - 16.25" 12.25 - 13.75" 14.5"
M 15.75 - 17.25" 13.25 - 14.75" 15.0"
L 16.75 - 18.25" 14.25 - 15.75" 15.5"
XL 17.75 - 19.25" 15.25 - 16.75" 15.5"

 

* measure 5" from the center of your kneecap. You should be sat down, with your knee at 90° and your leg relaxed.