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Item #: 331998512

If you ride fast and need cool comfort and performance that’s right at home on the open road, or the favorite single-track, the Fathom™ is a great choice. This bike helmet is a twin to the legendary Atmos™ II, a breakthrough bike helmet with a clever internal reinforcement structure that allows great ventilation without compromising the bike helmet’s integrity. the key difference is that the Fathom includes a sleek, removable visor. With the added comfort and stability of the two-way adjustable Roc Loc® 5 fit system, you won’t find a more versatile combination of light weight, comfort and cooling power.


  • InMold Construction reduces weight, enhances durability
  • Adjustable Roc Loc® 5 system for optimal fit and stability
  • Removable visor helps to shade eyes from sun and rain
  • Featherweight webbing reduces weight and enhances comfort
  • Roll Cage internal reinforcement
  • 23 vents with internal channeling to keep you cool
  • Available in 3 Super Fit sizes: S / M / L


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