High-performance, low-profile aerodynamic human anatomy built to perfectly fit the X1 and work under all track conditions while maintaining the coveted classic F1 look and design. Leading & backside about the human anatomy happen created to offer balanced downforce for optimum stability and directed airflow in the back wing. The body & cockpit sides are since flat as you are able to to direct airflow round the human anatomy for optimum security. Your body consists of top-quality premium Lexan product.