Corflex Knee-O-Tracker features textured C-shaped buttress for maximum patella control and versatile strapping system, providing fully dynamic treatment. This Knee-O-Tracker comes with adjustable tension control and can treat patella subluxation, patello-femoral syndrome and other patella tendon injuries. Corflex Knee-O-Tracker is made of premium grade latex-free neoprene or CoolTex, which is a neoprene alternative.