Giro Fathom Helmet

If you ride everything and ride fast, you need the same cool comfort and performance whether you’re on the open road, or your favorite singletrack. The Fathom helmet is a twin to our legendary Atmos.

A breakthrough helmet design that offers amazing ventilation thanks to a clever internal reinforcement structure. The compact design is a style leader and is matched with a removable adjustable visor and the two-way adjustable Roc Loc 5 fit system. Offering the performance and versatility you need.

- Small = 51-55cm
- Medium = 55-59cm
- Large = 59-63cm