Giro
Ionos Cycling Helmet - Matt Black/ Red 2012

• 2012 Ionos featuring the new 'Roc Loc 5' retention system
• The 'Roc Loc 5' is lighter and more durable and can be adjusted in either direction using just two fingers
• The 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 a ride!
• Helps you stay cooler in summer and warmer in winter
• RocLoc 5 fit system
• Meets CE EN1078 certification
• Size - Small (51 - 55 cm), Medium (55 - 59 cm), Large (59 - 63 cm)