Deluxe Knee Support with Adjustable Buttress. X Large, 23″ – 25 1/2″ (Measure circumference 6″ above mid-patella). Neoprene construction provides warmth, compression and support. Anterior strapping above and below knee helps prevent migration while medial/lateral stays provide additional stability. Enclosed tubular buttress can be trimmed for desired patellar position. Open popliteal option for patient comfort. Indications: Grade I collateral ligament sprain, Patella subluxation, Chrondromalacia, Patellar tendonitis, Patellofemoral trackin dysfunction, Patellar dislocation, Quadricep tendonitis, Plica syndrome. 1 each.