Shock Doctor 872 Knee Brace, Knee Support for Stability, ACL/PCL Injuries, Patella Support, Prevent Hyperextension, Meniscus Injuries, Ligament Sprains for Men & Women, Sold as Single Unit (1) If your measurements are at the top of the size range, we recommend selecting the next size up. Patent pending X-Fit strap system,Bilateral support hinges with hyper extension stops and impact abs and impact absorbing base pads. Tempered aluminum stability stays securely anchored within Hypalon sleeves,Anatomical precurved desi