The Gmax Of-17 open face helmet features a moisture wicking Coolmax liner and a UV blacking sunshield. The six vents on the OF-17 allow high volumes of air to flow unrestricted throughout the helmet to keep the rider cooled off. The sides of the helmet have cut aways to easily install speakers for your favorite Bluetooth system. Removable, adjustable, washable Coolmax interior allows for easy cleaning and custom fitting Industry leading six vents, including new GMAX top and rear vents with premium SPC vented EPS and interior engineered for maximum air flow control 100% UV400 resistant face shield comes anti-scratched hard coated for a longer lasting clear view Speaker pockets for easy communication system installation Optional outer flip tint lenses (sold separately) Intercom Compatible D.O.T. approved