Patellar Stabilizer Wrap XS-XL (138) This stabilized Neoprene knee support prevents patellar tracking. High grip sharkskin liner grabs the patella and provides a superior pressure Medial and lateral stabilizers prevent rolling Wrap around application allows for changes in leg size and variable compression. May be used universally to provide medial or lateral pull on either leg. Patellofemoral Pain Syndrome (Runner’s Knee) Subluxing/dislocating patella Chrondomalaeia patella Sizing: SizeKnee Centre Circ. XS 13″ – 14″ S 14″ – 15″ M 15″ – 16″ L 16″ – 17″ XL 17″ – 18″ XXL 18″ – 19″