Quick release chinstrap mechanism for ease of operation and safety. High quality UV resistant Polyurethane paints used for aesthetic enhancement. Dynamic ventilation system for increased air flow providing more comfort to the rider while driving. Inner Shell: High Density Polystyrene Inner Shell & Cotton Fabric Interior and Outer Shell: Crafted ABS Shell With High Quality Exterior Finish. Regulated density EPS concussion padding lined with specially treated anti allergic velveteen. All helmets feel tight at first to meet safety requirements and foam takes time to adjust according to head size.. Country of Origin: India