Medical grade compression for thr wrist and thumb. This brace contains gradient compression to improve circulation and aid in recovery after injury.
Can be used on the left or right wrist. 
 
Measurements taken at circumference of wrist:
Small: 14-15cm
Medium: 15-18cm
Large: 18-20cm
XL:>20cm
 
If you are between sizes we recommend purchasing the smaller size.