Amazon
The Mueller Wraparound Knee Stabilizer features an anatomically shaped patella opening. Steel springs help support both sides of knee Perforated neoprene for added ventilation. Not made with natural rubber latex SIZING: ONE SIZE FITS MOST, measure around the knee: fits 30 - 50 cm
Amazon MarketplacePatented Triaxial Hinge for maximum protection with near normal knee motion Flexible steel springs support both sides of the knee Rugged Kevlar outer covering for long-lasting durability Upper strapping system locks brace in position Size 18-20" around center of knee