Size (Inches) Length
Upper Calf Circumference
Lower Calf Circumference
S (Age 6-10) 11.0"
9.1" - 11.8"
5.1" - 6.3"
M (Age 11-13) 11.4"
10.2" - 12.6"
6.3" - 7.5"
L (Age 14+) 11.8"
11" - 13.4"
7.1" - 8.3"
XL (Adult) 12.2"
11.8" - 15.4"
7.9" - 9.1"
XXL (Adult) 12.6"
13.4" - 16.1"
8.7" - 9.8"