DESIGN: Ventilated Shell and Extended Foam allow maximum protection plus cool airflow. DESIGN: Compound Shell curvature ensures a comfortable horizontal and vertical fit on leg. DESIGN: Anatomical Left/Right Design is contoured for a better fit STRAPPING: Micro and Macro adjustment strapping system offers a customized and secure fit. ANKLE PROTECTION: Lightweight detachable ankle guard with boot shape integration provides additional protection and heel comfort. SP0227