Compressive neoprene knee support is available with and without buttress. Universal buttress may be adjusted to allow for medial, lateral, inferior, or superior patella stabilization. Sturdy removable dual axis hinges and superior/inferior contact closure straps provide medial/lateral ligament support. Ideal for moderate medial/lateral knee instability, mild ACL/PCL sprain, osteoarthritis, patellofemoral dysfunction.- Knee Support, 1/8" Reinforced Universal Buttress, Medium 18"-20" Mfr. Direct