The ZK-3 provides moderate support for mild to moderate LCL and MCL sprains. The Exo-Tech DUAL 2-way support has two unique resin stays to provide support to the MCL and LCL ligaments during activity. The i-Fit technology allows for an individualized fit with an open panel design; equipped with adjustable fasteners to enhance comfort and allow variable compression levels. Flyweight design provides lightweight material fabrication, while V-Tech flow through ventilation enhances cooling while in motion. This product is ideal for MCL and LCL sprains and any individual involved in continuous side to side motions during activity. The ZK-3 stands out among competitors by not providing uncomfortable metal stays but instead a unique resin material that provides support and allows for proper range of motion.