Size	Thigh (inches)	Thigh (centimeters)
S	15 - 17	38 - 43
M	17 - 19	43 - 48
L	19 - 21	48 - 53
XL	21 - 23	53 - 58

Note: Measure circumference of lower thigh, 6" (15.25cm) above the kneecap.

Size	Lower Bicep (inches)	Lower Bicep (centimeters)
S	8 - 10	20 - 25
M	10 - 12	25 - 30
L	12 - 14	30 - 35
XL	14 - 16	35 - 40

Note: Measure circumference of lower bicep.