The Mueller Adjustable Tennis Elbow Support in black is designed to provide targeted compression and support for discomfort associated with lateral epicondylitis, commonly known as tennis elbow. The adjustable strap allows for a customized fit and applies pressure to the forearm muscles to help reduce strain on the affected elbow tendon during work, exercise, sports, or everyday activities. This unisex support is lightweight, comfortable, and suitable for either arm. One size fits most.