The ES3 performance compression elbow sleeve has a form fit for your arm. With three zones of graduated compression the ES3 provides effective pain relief. The ES3 is comfortable enough to wear any time. You can even wear it under normal shirts. You will find the elbow compression sleeve works well as an alternative to bulky elbow braces and straps that can limit movements.The ES3 provides relief for those suffering from tennis elbow, chronic elbow pain, swollen arthritic elbows, or bursitis.