Zamp RZ-40 Racing Helmets are constructed from a Kevlar composite to provide a strong and lightweight racing helmet. Each Zamp RZ-40 Racing Helmet features fixed chin vents for good air flow on the driver and the face shield for maximum cooling capabilities. The top vent on the Zamp RZ-40 Racing Helmets is interchangeable, and can be used with natural air, forced air or air plugs. Each Zamp RZ-40 Racing Helmet includes integrated M6 inserts for use with head and neck restraints.