Injection-Molded Polycarbonate Composite Shell Construction. Two-piece channeled Dual-Density. Large eye port opening for greater visibility. Unique CAD generated shell sculpture for exceptional fit and increased helmet stability. Flow-Through "ACVS" Advanced Channeling Ventilation System. 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 System. Anti-fog coated shield. Chin bar and rear venturi exhaust vents for increased heat and humidity dissipation. Removable/Washable Bioceramic Nylon Interior. 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 odor-causing bacterial buildup. Sculptured cheek pad design for communication system speakers. Wrap-around neck roll reduces wind noise. Padded chin-strap design. Two-Stage Compression Shield Closure System. 3rd generation, 2-stage shield pivot/compression system ensuring maximum shield seal. HJ-09 Anti-Fog Face Shield. 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. Soft helmet storage bag included. DOT-218 and SNELL-M2005 approved. Approx. 3.6 lbs/1640 grams.