The HJC SPX Helmet features an advanced polycarbonate composite shell; revolutionary design with unique integrated 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 SilverCool™ Interior; moisture-wicking and odor-free interior with advanced silver antibacterial fabric Comfortable, removable and washable liner Ultra comfort chin strap; removable and washable SilverCool™ fabric chin strap covers for all-day comfort Large eye port; for maximum visibility and superior goggle fit Visor extension; pivoting visor extension can be pulled down to block the sun when needed Snell/DOT approved