If your mountain biking leans more towards timing chips and podium appearances, Giro's Athlon is the helmet for you. Its Giro In-Mold construction provides low weight and durability, while the 23 Giro Wind Tunnel vents keep the air flowing so you stay comfy all-ride long. Giro's super-simple Roc Loc 5 retention system ensures a perfect fit, and the removable visor shields your eyes from the sun.
- Small = 51-55cm
- Medium = 55-59cm
- Large = 59-63cm
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.
In-Mold construction process
Wind Tunnel ventilation system
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