HJC has created a true youth, off-road helmet with the CL-XY II. The youth size polycarbonate shell provides a lightweight helmet, with superior fit and comfort using advanced CAD technology. The “ACS” Advanced Channeling Ventilation system allows full front to back airflow to flush heat and humidity up and out. A large eye port provides maximum visibility and superior goggle fit. DOT approved. Meets the FMVSS 218 Standard.