Simply put, Ionos is the most technologically advanced road cycling helmet Giro has ever created. And the most ventilated with 21 enormous wind tunnel vents and optimally place internal exhaust channels maximize air flow across your head, ensuring that you stay cool on the hottest days and over the longest climbs. So how can a helmet be so light and cool and still meet industry standards for protection, The Giro Ionos features a visible weave of composite called in mold composite sub frame, which runs throughout the helmet's liner and around the vents. with the use of composites, the sub frame is tuned to provide incredible structural support, impact dispersion and resistance to penetration. it's the secret to the Ionos' ability to offer great big vents without compromising protective capability
- Fit System: Roc Loc 4
- Construction: In-Mold
- Ventilation: 21 Wind Tunnel vents internal channeling
- Features: In-mold composite sub frame, X-static padding
- Sizes: Super Fit
- S (20"-21.75" / 51-55cm)
- M (21.75"-23.25" / 55-59cm)
- L (23.25"-24.75" / 59-63cm)
