Giro Athlon Mountain Helmet '09. If your mountain bike riding style means going from point A to B as fast as possible, then you'll be happy to know we've finally developed the ultimate competition-competition-specific MTB helmet. 23 generous Wind Tunnel vents plus smooth style, compact silhouette, light weight, and a removable POV visor are some of the features that just might put you on top of the podium. Or at least make you look good trying.

---

Specifications:

In-mold technology

POV Visor (adjustable)

Roc Loc 4

Super fit engineering

Wind Tunnel ventilation (23 vents)

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