Premium Upgrade includes heat sealed EVA foam buttress shaped to support patella and premium grade neoprene for higher level of comfort and support General Application Great for keeping the knee warm and providing moderate support. Medical Application Pro-Tec Athletics' Short Sleeve is worn to reduce symptoms of tendinitis, arthritis, chondromalacia, and other knee ailments. How it Works Short Sleeve provides compression to the knee region surrounding the patella. The sleeve provides warmth and promotes circulation, enhancing the healing process. In addition, this brace has an infrapatellar buttress which helps support the patella and may improve patellar tracking. Design Theory Short Sleeve is not...