Giro aerohead ultimate mips helmetgiro pioneered the aerodynamic helmet category with the original advantage in 1985 and now theyre redefining it with the aerohead ultimate mips helmet which is their fastest time trial helmet ever giro leveraged every resource available to create a helmet that tops the podium in speed weight style and comfort the shell is made of textreme carbon fibre an advanced material thats lighter and stronger than other carbon composites the wrap around eye shield