The CS-MX II is a competitively priced off-road helmet for riders that value quality and safety. This off-road helmet is composed of the Advanced Polycarbonate Composite Shell to provide a lightweight helmet, with superior fit and comfort using advanced CAD technology. A large eye port provides maximum visibility and superior goggle fit. The ?ACS? Advanced Channeling Ventilation system allows full front to back airflow to flush heat and humidity up and out.