Two-piece channeled Dual-Density lightweight EPS liner Large eye port opening for greater visibility Unique CAD generated shell sculpture (with 3 shell and 4 EPS sizes) for exceptional fit and increased helmet stability Two multi-stage forward intake vents and a large integrated rear exhaust spoiler are combined with sculptured air channels allow the entire helmet to act as a full venturi exhaust system Fresh air is channeled front to back, drawing heat and humidity up and out of the shell through four internal exhaust channels Anti-fog coated shield Chin bar and rear venturi exhaust vents for increased heat and humidity dissipation Cheek pads and upper liner are easily removed to allow for cleaning and air drying Bioceramic Nylex liner and cheek pads feature ceramic cell technology to reduce odorcausing bacterial buildup Sculptured cheek pad design for communication system speakers Wrap-around neck roll reduces wind noise Padded chin-strap design 3rd generation, 2-stage shield pivot / compression system ensuring maximum shield seal Quick and easy, tool-less shield removal Aerodynamic flush-mounted fit for reduced turbulence Anti-fog, scratch-resistant hard coating Optically-correct 3D design Protection capacity rated to block 95% of harmful UV radiation