Serola Gel Arc Elbow BraceDr. Serola researched the causes of chronic elbow pain and the symptoms of overuse. Recognizing the inadequate support of existing elbow braces, he designed the Gel Arc to more effectively reduce muscle tension, shock and Arc - concentrated or diffuse pressure for maximum reliefSecondary Attachment Point - allows proper muscle function, prevents pull from reach epicondyleLocation - the arc affects more muscles and tendons near the - the gel is a superior barrier, absorbs both shock and vibrationFoam Pad - hypoallergenic pad under buckle enhances comfort, reduces irritationHook and loop Velcro closure total length = 18.5"One size fits all