Soothe your painful, aching knee with the Compression Therapy Knee Support Sleeve for pain and muscle tension relief. Intricately knit material gives support while allowing you to bend, sit and walk with ease. Slips on and stays in place all day. This knee support stretches in 4 directions, promoting strength, circulation and comfortable support for the knee. These elements have been the subject of studies around the world and are believed to retain body heat and emit safe far-infrared rays that penetrate deep into the joint and surrounding tissues which increases blood flow, reduces inflammation and decreases pain. Additionally, light compression counteracts tissue swelling.