The Giro Ionos is the most technologically advanced road cycling helmet Giro has ever created, offering unparalleled style and ground breaking ventilation.

• 21 enormous wind tunnel vents and optimally placed internal exhaust channels maximize air flow across your head, ensuring that you stay cool on the hottest days and over the longest climbs.
• 15 percent better ventilation than the class leading Atmos.
• A visible weave of composite called in-mould composite subframe, runs throughout the helmet liner and around the vents.
• The use of composites in the sub-frame provides incredible structural support, impact dispersion and resistance to penetration.
• Allows great big vents without compromising protective capability.
• X-Static fabric pads are woven with pure silver fibres and kill 100 percent of bacteria.
• Inhibits growth of odour-causing bacteria and fungi within 4 hours after aride!
• Helps you stay cooler in summer and warmer in winter.
• RocLoc 4 fit system.