General Application Great for keeping the knee warm and providing moderate supportApplications ProTec Athletics Short Sleeve is worn to reduce symptoms of tendinitis arthritis chondromalacia and other knee ailmentsHow 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 trackingDesign Theory Short Sleeve is not quite as hot or cumbersome as most knee sleeves because it is modified below the knee to reduce sweat It includes an infrapatellar buttress Ushaped tubing within a Cool Max material to cradle the patella The open patella is to keep unwarranted pressure off of the knee capSize ChartItem 6000 Small 1314 Item 6001 Medium 14 16Item 6002 Large 1618Item 6003 Xlarge 1820Circumference measured just above kneecap