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smooth performance
they are more sheer force of nature than shades
performance features
Unique deep-lug design for outrageous pull in the deep stuff
Easily cuts through tough grease
509 Altitude Snow Helmet YCRF_communication_systems smooth performanceOne of the industry's bestselling helmets ever, the 509 Altitude series excels across four key principles: safety, performance, fit, and style. Revolutionary design means precision fit and sleek profiling that exceeds the competition, plus innovative venting and all day comfort for aggressive riding. The 509 Altitude Helmet features the Fidlock magnetic strap buckle for easy one handed operation, plus customizable elements like a removable cold
