Zamp RZ-35 Air Racing Helmets are feature packed helmets constructed from composite fiberglass. The construction of the Zamp RZ-35 Air Racing Helmet makes it super durable and light weight. The Zamp RZ-35 Air Racing Helmets utilize the 7-Top Forced Air System to provide excellent cooling to the driver, and work in unison with the chin and scalp vents to provide superior driver cooling and comfort. The inner liner of the Zamp RZ-35 Air Racing Helmet is plush and fire retardant, adding to driver comfort and safety. The chin foam features cutouts on each side for the use of radio equipment and hydration systems. Every SA2015 certified helmet from Zamp utilizes integrated M6 hardware for use with head and neck restraints.