Determine proper ankle support size by measuring the ankle according to the Ankle Circumference Chart or the Standard Shoe Size Chart below. We recommend comparing the ankle circumference measurement against the standard shoe size value to be sure the correct product size is ordered.
Ankle Circumference Chart:
XXS Fits: 9" - 10" Circumference.
XS Fits: 10" - 11" Circumference.
S Fits: 11" - 12" Circumference.
M Fits: 12" - 13" Circumference.
L Fits: 13" - 14" Circumference.
XL Fits: 14" - 15" Circumference.
XXL Fits: 15" - 16" Circumference.