Product details:
The RS9 offers lightweight comfort and protection. It's constructed of a lightweight and impact-resistant, injection-molded shell with increased airflow. Patented Tru-Motion 2.0 anatomically correct hinges. Dual Defense full-coverage knee cup. Adjustable hyperextension lockouts. Moisture-wicking, BIOFOAM molded liner. ClickTec quick-release buckle system. FormFit frame.