New Zamst ZK 7 Knee Brace Exo Tech Quad ACL MCL LCL PCL 4XL Black 8 Exo Tech Dual is an exoskeletal GLDS3003 OS Green Exo Tech Dual is an exoskeletal two way ligament (MCL LCL) support with individualized fit and multifunctional design Patella Stabilizer support stabilizes and aligns the patella for proper tracking V Tech's ventilated flow through design keeps you cool while in motion Flyweight tech provides an advanced material fabrication with lightweight construction i Fit is an open panel design with adjustable fasteners providing an individualized fit Used normal wear a little faded with some ball marks Exo Tech Quad is an exoskeletal four way ligament (ACL MCL LCL PCL) support with the individualized fit and multifunctional design Flyweight tech provides an advanced material fabrication with lightweight construction V Tech's ventilated flow through design keeps you cool while in motion ROM Tech is a pre curved design to provide full Range of Motion for maximized performance levels I Fit is an open panel design with adjustable fasteners providing an individualized fit enhanced comfort and variable compression levels