Shoulder BraceFor those experiencing pain and limited mobility in the shoulder(s), the Incrediwear Shoulder Brace relieves pain and accelerates recovery for acute or chronic shoulder injuries. The Shoulder Brace can be worn during and after activity to provide pain relief and post activity recovery without restricting mobility. Sizing: Measure circumference of the bicep. (Package contains one brace and can be used for right or left shoulder). S M L XL 9 11" 11 13"