1. Light weight, four way stretchable and breathable elastic for all day comfort 2. Soft buttress pad for tracking patella in position 3. Opposing velcro straps for additional knee stability Hinges allows natural knee movement 4. Indications:Dyna Hinged Knee Brace(with Patella Support) is an excellent universal patella support, designed to support patella from all directions. Designed for use on both left and right knee.1. Patellar Dislocation or Subluxation2.Patellar Tendonitis3. OSD4. Chondro Malacia of Patella