The Airoh GP550-S Plain Motorcycle Helmet redefines the performance levels on the track and the road.High performance composite Shell constructionTop, Front and Chin Guard ventilation and rear spoilersDouble-D Ring retention system1300g +-50g weightSupplied with both a clear and dark smoke VisorTool-quick release VisorScratch resistant and ready for Tear-Off systemsRemovable and washable Hypoallergenic inner linerNose cover, stop wind and Pinlock included with purchaseACU Gold approvedAiroh Emergency Fast Release system (AEFR)The Airoh GP550-S Plain Motorcycle Helmet has a HPC (High Performance Composite) Shell construction which is the combination of composite materials and glass with the 'Prepreg' technology which allows Airoh to achieve high performance products in terms of resistance and lightness. For rider comfort, the Helmet uses 8 points of Ventilation to keep the environment inside the Helmet cool and comfortable - Top, Front and Chin Guard ventilation points. The Helmet also