Giro Ionos Helmet Black/Carbon Medium

Ionos is the most technologically advanced road cycling helmet Giro has ever created. Or anyone else. Our revolutionary inmold composite subframe I.C.S.tm provides the strength to support 21 of the largest vents ever carved into a helmet. These massive vents, coupled with an intricate network of internal exhaust ports, create a cooling system we call Wind Tunneltm ventilation, making Ionos the coolest, bestventilated helmet anywhereperfect for keeping riders like 2007 Tour de France champion Alber