Product details:

The Zamp RZ-44C Air Carbon Helmet is the one helmet that offers all set ups for every kind of racing. It includes an AERO KIT for Aerodymanics and Ear Pads or Ear Muffs to hear what you need to hear. One Air Accessory is included to run Forced Air. One helmet for all your needs. Carbon Mix Shell for Super Lightweight Shell Aerodynamics: Shell and chin bar aero lips in shell, plus adjustable rear top spoiler and front top chin bar spoiler included in box to be added if needed. Low Profile Air Attachment: Mount it on top, on side, or both top and side. Most controllable air system on the market TRI-Tech Air System: Allows you to run natural air, forced air and air plugs in the three adjustable inlets on top and both sides of chin bar. The most adjustable air flow on the market. Plush, fire retardant, removable, washable, ultra-soft interior with EPS chin bar foam Z-20 Series 3mm Clear Shield with tear-off posts at 12.25 inch center posts using banana style tear offs Hydration Hole/Plug front and center in chin bar with easy set-up Ear Muffs and Ear Pads to give driver a quieter environment to hear M6 Inserts for neck restraint Snell; SA-2015 Model Number: H742CB3