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Circumference measurements are taken 8" above and 8" below the center of the knee.

Size	Calf (in)	Thigh (in)
SM	9 - 12	15 - 18
MD	12 - 14	18 - 20
LG	14 - 16	20 - 23
XL	16 - 18	23 - 26

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.

How to Measure

T Thigh
Measure the circumference of your thighs at the widest point, while in a seated position, with your knees bent to a 90° angle.
CF Calf
While standing upright, feet flat on the floor, measure the circumference of your calf at the widest point, while keeping your ankle bent at a 90° angle.

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EVS Web/Axis/RS9 Knee Brace Sizing;

How to Measure