Patent pending X-Fit strap system. securely wraps leg contours with comfort and overlaps hinge to maximize stability during flex. Bilateral support hinges with hyperextension stops and impact absorbing base pads. Tempered aluminum stability stays securely anchored within Hypalon sleeves. Anatomical precurved design provides enhanced fit, comfort and stability performance. Four-way stretch Lycra mesh at back of knee for comfortable flex and ventilation. Premium stitching assembly, patella support finishing and Lycra binding for long lasting comfort. Convenient finger tabs offer easy grip pull when fitting. N-Tex air flow vented neoprene, provides moisture wicking compression for therapeutic warmth and healing.