Giro Fathom

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 Giro Fathom matte black gloss black

If you ride everything and need cool comfort and performance – whether you’re on the open road or your favorite singletrack – the Fathom™ is a great choice. This helmet is a twin to our legendary Atmos™ II, a breakthrough helmet with a clever internal reinforcement structure that allows great ventilation without compromising the helmet’s integrity. The key difference is that the Fathom includes a sleek, removable visor. With the added comfort and security of the two-way adjustable Roc Loc® 5 fit system, the Fathom is equally comfortable on rough trails or on smooth pavement.


Features   Removable Visor, Roll Cage™ Internal Reinforcement
Construction   In-Mold Polycarbonate Shell with EPS Liner, Thermoformed SL Reinforcement
Fit System   Roc Loc® 5
Ventilation   23 Wind Tunnel™ vents, internal channeling