Giro Atmos Road Helmet '09. Designed to meet exacting needs of elite riders and racers from every corner of the globe, the Atmos has set the standards for high performance, remarkable style, and comfy fit. So whether you find yourself racing a local crit or ascending Mt. Ventoux, the Atmos is just for you.

---

Features:

Roc Loc 4 Fit System

In-Mold Construction

In-Mold Carbon Roll Cage

26 Vents, Reinforced Internal Channeling

Weight: 9.5oz. / 275g

Sizes: S (51-55cm / 20-21.75"), M (55-59cm / 21.75-23.25"), L (59-63cm / 23.25-24.75")