Helps relieve knee pain associated with arthritis, tendinitis and more. * Easy to apply and comfortable to wear. Latex free and antimicrobial. * Lower tube targets patellar tendon while upper tube targets quadricep misalignment. * Compression tubes on both sides assist patellar tracking. * Adjustable (one size fits left or right). Measure around center of knee 12 to 18 inches (30.0 to 45.0 cm).