This thumb stabilizer by McDavid immobilizes the thumb joint to support recovery from thumb injuries. It is made from a latex free breathable, laminated foam that provides thermal compression to help speed recovery and healing. It has an adjustable wrist strap that provides a customizable fit and support. Its semi-rigid internal stays provide extra support and help to prevent further injury. Fits on left or right arm. Available in: Small/ Medium, L/XLg. Comes in black. 1 per package.