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With Hand-laid Carbon Fiber Construction and a Plush Interior, the 509 Mach III Carbon Helmet is Ready for Daily Commutes, Long Hours in the Saddle, or Weekends Spent Exploring the Windiest Highways. Streamlined and Built for High-speed Riding, This DOT and ECE 22.05 Certified Helmet Includes a Shield Lock Seal, an Easy Gloves-on Access Fidlock® Chinstrap, and Multiple Shield Options So You Can Show Your Style.