Take proper care of your knee before or after a sprain with the Zamst(R) ZK-X Hinged Knee Support Brace. This brace is designed to provide you with extra strong support by utilizing crisscrossed and parallel straps for anterior stability, medial and lateral metal hinges for medial and lateral stability, and top and bottom straps for overall stability. Design Provides extra strong knee support with a semi-open design 4-way exoskeletal ligament support for your ACL, MCL, LCL, and PCL Open panel design allows for individualized fit, enhanced comfort, and variable compression Pre-curved design allows for full range of motion for maximum performance Stabilizes your kneecap Ventilated design helps keep you cool Lightweight construction Ideal for preventative use or post-injury support after a moderate or severe knee sprain