Exo-Tech QUAD provides 4-way ligament support with resin stays to support medial and lateral stability as well as x-strap and parallel straps for effective anterior and posterior stability to the ACL/PCL. The ZK-7’s i-Fit technology provides a semi-open design to deliver an individualized fit to help prevent slipping. The flyweight lightweight material fabrication designed with V-Tech flow through ventilation enhances cooling while in motion. Von Miller, Pro Football, All Pro Linebacker wears the ZK-7 during his recent rehab, practice and games.