... ,Massive ventilation, 2,OEM,Open mould; 3,CE APPROVED; 4,High temprature resistance PV shell; 5,IN- safety helmet 1,Massive ventilation ... ,CE APPROVED; 4,High temprature resistance PV shell; 5,IN-MOULD bicycle helmetbicycle helmet, road helmet, Standard: EN 1078, CPSC.vents - ...