Richa D3O Ghost Knee / Elbow Protector Set CE Level 2CE certified elbow and knee protection for bikers. Developed from patented D30 technology. Provides the quality and toughness you expect from D30. Low profile design to keep you aerodynamic. Incorporates airwave technology for improved airflow. Fit and forget: Crafted to conform to your shape and move with your body. Meets Level 2 requirements in ambient, wet and cold conditions.