Note: All measurements are in inches unless otherwise noted

Zamst Sock Sizing

Size S M L XL
Mens Shoe Size 5-7 7-9 9-11 11-13
Womens Shoe Size 5-7.5 7.5-9.5 9.5-11.5 11-13.5

Zamst Knee Brace Sizing

Size S M L XL
Knee Circumference 17-18 18-19.25 19.25-20.5 20.5-21.75
* Measure the circumference of the thigh 6.25 inches above the center of the kneecap. If your measurement falls between two sizes, choose the larger one.

Zamst Back Brace Sizing

Size XS S M L XL
Waist Circumference 25.5-29.5 29.5-33.5 33.5-37.5 37.5-41.25 41.25-45.25
* Measure the circumference of your waist at the navel. If your measurement falls between two sizes, choose the larger one.