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Stay cool under pressure with the highly ventilated, low-profile, and micro-adjustable Pro-Tec Cyphon SL Helmet.

  • BOA fit adjustment operates with the simple click of a dial, providing an easy-to-adjust liner and a custom-fit feel
  • Superlight in-mold construction bonds a micro polycarbonate shell with an impact-absorbing foam liner
  • 15 large vents and a laminated mesh liner promote air flow to keep your head cool without letting bugs in
  • Removable lightweight nylon visor helps keep elements out of your eyes
  • Skate-helmet-like fit offers a low-profile look and feel
  • The Cyphon SL meets CPSC 1203, AS/NZS 2063:2008, and CE 1078 certifications

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Pro-tec Cyphon SL Helmet

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Here's what others have to say...

5 5


Fits great. Comfortable. I like the ventilation. The visor could be more stiff. Sunglasses that are straight over the ear do not work with this helmet for me.