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. Advanced Polycarbonate Composite Shell: Revolutionary design with unique visor. Lightweight, superior fit and comfort using advanced CAD technology. "ACS" Advanced Channeling Ventilation System: Full front to back airflow flushes heat and humidity up and out. Plush Nylex® Interior: Comfortable, removable and washable. Large Eye Port and Maximum Range Adjustable Visor: For maximum visibility and superior goggle fit. Three-Year Warranty.