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Giro atmos
The Ionos in Black Carbon.
  • Color: White/Silver
  • Color: Caisse d'Epargne Red/Black
  • Color: Astana Navy/Light Blue
  • Color: Blue/Black
  • Color: Garmin-Chipotle Blue/White
  • Color: Matte Black/White
  • Color: Magenta/Black
  • Color: Matte Titanium

Giro atmos

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Product Details

Giro atmos

From the top of the podium of the Tour de France, straight to your head comes Giro's Ionos. Built to the exacting demands of ProTour riders, the Ionos offers premium cooling, chic style and maximum protection. Giro's 21 massive Wind Tunnel vents keep you cool and dry, while the In-mold Composite Sub Frame provides massive amounts of protection when you need it most. Plus, the Ionos uses Giro's top-notch Roc Loc 4 system for a supremely comfortable and secure fit. And, this sweet lid is available in the colors of some of your favorite professional cycling teams.

Features and Information

  • View the back.
  • Learn about the Ionos' innovative In-mold Composite Sub Frame.
  • Thanks to 21 large vents and Giro's Wind Tunnel technology, channels inside the Ionos that force air in and out, this lid is 15% cooler than Giro's previous best-vented lid. In fact, tests prove this is the first helmet to keep riders cooler than riding bareheaded, even on the toughest climbs and hottest days!
  • The Roc Loc 4 tension mechanism has three adjustments and a thin headband to enhance helmet stability without sacrificing ventilation; it’s ponytail compatible, too.
  • Weight: 9.7 ounces