Measure the circumference of your thigh 4.5 inches above the top of the knee. If your measurement falls in between sizes, choose the smaller size.

M L XL XXL XXXL
12 - 14" 14 - 16" 16 - 18" 18 - 22" 22 - 26"
30 - 35cm 35 - 41cm 41 - 46cm 46 - 56cm 56 - 66cm