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Alpinestars RK Plasma Knee Brace Sizing

Manufacturer states you should measure the diameter of your knee at the widest point, not the circumference.
Size Knee (in)
SM 3 7/8 - 4 1/4
MD 4 1/4 - 4 1/2
LG 4 1/2 - 4 1/4
XL 4 3/4 - 5 1/8

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

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