CPZ1001: Features: -Stabilizes and tightens up on the kneecap mechanism by applying pressure upon the patellar tendon below the kneecap. -Compression reduces or eliminates inflammation and helps prevent knees from giving out. -Measure leg circumference just below the kneecap. -Offers symptomatic relief for acute / chronic pain associated with patello-femoral syndrome and osgood-schlatter's disease. -Jumper's and runner's knees respond well in most cases. -Sizing: Based on circumference below patella. Specifications: -Available in several sizes:. -X-Small: Less than 10 D. -Small: 10-12.5 D. -Medium: 12.5-14.5 D. -Large: 14.5-16.5 D. -X-Large: 16.5-18 D. -XX-Large: 18-21 D.