Zamp RZ-56 air helmets combine the latest helmet technology with the best value on the market! This model comes with one round top air inlet accessory to run forced air. In addition, the headgear provides minimal front venting to stay cool and help prevent fogging in extreme racing conditions. Inexpensive is redefined with the RZ-56, which can be compared with helmets that cost twice as much. Features include: composite fiberglass lightweight shell; plush fire-retardant interior; and M6 inserts for head and neck restraints. The Z-20 Series 3mm shield has tear-off posts using 12.25 in. center post tear-offs.