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Giro Atmos

Giro Atmos
  • Color: Matte Black/White Crowd
  • Color: Black/Titanium
  • Color: Blue/White
  • Color: Matte Titanium
  • Color: Red/Silver
  • Color: Rhone/White Flowers
  • Color: White/Silver
Please select options


From the ProTour to local group rides, Giro's Atmos is a favorite of roadies everywhere. It's crafted with a whopping 26 vents and Wind Tunnel technology to pull cool air in and blow hot air out, a vital function for racing's extreme efforts. In addition to being light and airy, the Atmos is super durable thanks to Giro's Roll Cage and carbon-reinforcement technologies that protect your head when you need it most. Plus, it boasts Giro's Roc Loc 5 retention system for a perfect fit.

Giro's Roc Loc 5.

A) Micro Dial - A ratcheting dial that’s simply twisted to tighten and loosen the fit.

B) Three-Position Vertical Fit - Lets you raise and lower the Roc Loc system to the perfect position.

C) Ergonomic Arms - Minimal shape fits comfortably and accommodates eyewear.

D) Dual Pods – Supportive, minimal panels that cradle your head for the utmost in comfort and safety.

E) Strap Management - The straps (not shown) are woven through the fit system to always remain in the right place.


The Atmos' carbon-reinforced ribs and internal Roll Cage offer exceptional safety, lightness and ventilation.


Watch a video of Levi Leipheimer talking about Giro’s Roc Loc 5 fit system.

Watch a video about Giro’s In-Mold construction process.

Part Numbers

Option UPC MPN Store SKU
Blue/White / Medium (55-59cm) 361857313959 2023008 ATM15700898M
Blue/White / Large (59-63cm) 361857313966 2023009 ATM15133099L
Matte Titanium / Medium (55-59cm) 361857313928 2023005 ATM19213901M
Matte Titanium / Large (59-63cm) 361857313935 2023006 ATM19368025L
Red/Silver / Medium (55-59cm) 361857314048 2023017 ATM15493072M
Red/Silver / Large (59-63cm) 361857314055 2023018 ATM15425783L