Advanced Polycarbonate Composite Shell Lightweight, superior fit and comfort using advanced CAD technology Aerodynamic shell shape reduces turbulence Impact absorbing, multi-density EPS liner ACS Advanced Channeling Ventilation System Scoop top intake vent combine with rear exit vents to provide flow-through ventilation, helping to pull heat and humidity up and out of the helmets interior Chin bar intake vent provides airflow across the shield interior to help eliminate shield fogging Side chin bar venture exhaust vents for increased heat and humidity dissipation SpeedCool Removable/Washable Interior Lining Moisture-wicking and odor-free interior with advanced SpeedCool anti-bacterial fabric Multi-layer contoured cheek pads improve fit and comfort Pinlock Prepared HJ-09 Shield with anti-scratch coating and RapidFire Shield Replacement System Optically correct, three dimensional design face shield offers 95 UV protection RapidFire shield replacement system allows for quick, secure and tool-less shield removal and installation Includes clear Pinlock lens shield insert Nylon Strap Retention System neatly secures chin strap/snap DOT and Snell M2010 Approved 3XL is DOT only