Accessories    Helmets

Giro Atmos Helmet RL5

The Giro Atmos™ continues to set the standard for high performance, classic style and comfortable fit. It features a low profile silhouette, 26 Wind tunnel vents and an in-mold roll cage making it and excellent choice for road, cross or mountain.

The Atmos now features the Roc Loc® 5 retention system for easier fit, better security and 40% lighter weight. The Roc Loc 5 has a small, ratcheting, micro-adjustable dial that can be turned with two fingers for a super-easy on the fly adjustment. The Roc Loc 5 also has a low-profile vertical fit tab that allows for up to 15mm of up-and-down adjustment.


  • 275 grams - 9.5 oz
  • Roc Loc® 5 fit system
  • 26 Wind Tunnel™ vents - internal channeling
  • In-mold carbon reinforcement™ - Roll cage™
  • In-mold construction with an EPS liner and polycarbonate shell
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Item #: 781155