The McDavid Knee Sleeve / 4-Way Elastic with Gel Buttress and Stays delivers moderate support and pain relief associated with tendonitis, arthritis and other knee conditions and injuries. It provides increased compression and enhanced fit without heat retention thanks to 4-way stretch elastic material. Spring steel stays add support and give you more confidence when you move side to side. This is a Protection Level 2 product for advanced support. It is best for minor to moderate knee instabilities or knee pain and promotes healing through the use of thermal compression and breathable fabrics.