The AIRCRAFT is our premier Downhill MTB helmet precision engineered with a Carbon/Kevlar composite shell for an ultra-lightweight feel. Ventilation is enhanced with 25 different channels to manage airflow creating one of the most ventilated DH helmets on the market. Already loaded with performance and safety features, all AIRCRAFT helmets now come equipped with MIPS Technology making it an even safer choice. The AIRCRAFT complies with ASTM, CPSC, CE, and AS/NZ Bicycle Standards. FEATURES Ultra-light design featuring aerospace Carbon / Kevlar composite shell. MIPS technology adds more protection against rotational violence to the brain caused by angled impacts. Active cooling system maximizes airflow with 25 vents and channels. More ventilation than any other helmet. Washable, antibacterial comfort liner, cheek pads and chin strap covers. Emergency release cheek pads and integrated release system compartment for quick, safe removal. Titanium D-Ring buckle provides a secure fit while saving weight. Engineered with 2 shell sizes and 3 EPS sizes to achieve the perfect fit. Adjustable visor with machined light-weight aluminum screws. Durable helmet case with integrated goggle pocket included.