There are 4 measures of the outer shell in both versions, which was designed using the wind tunnel to engineer the best shapes and performance. Extreme attention was therefore paid to aerodynamics, with the aim of making the helmet stable even at high speeds, and to thermodynamics, to optimize thermoregulation.Airoh´s technological sum is condensed in this new product, in which the AMS2 Plus (Airoh Multiaction Safety System Plus), AEFR (Airoh Emergency Fast Release) and AMLS (Airoh Magnetic Lining System) systems are profuse, which evolves, also including the magnetic cheek pads.The 8 air intakes and spoilers with integrated extractors make the fitting of Aviator 3 comfortable even in the most extreme conditions of use, as does the innovative AHS (Airoh Hydration System) integrated into the EPS.Features:Ams2 Plus (Airoh Multiaction Safety System Plus):- Ams2 Plus Is Realized With An Advanced Material, Engineered To Dissipate Kinetic Energy Of Impact And, With Its Memory Form, To Guarantee An Adaptive Fit And A Supreme ComfortA.M.L.S. (Airoh Magnetic Lining System):- Inner Lining With Magnetic HookA.E.F.R. (Airoh Emergency Fast Release):- Emergency Cheek Pads Quick Removal SystemSpecifications:Material:- Full Carbon 3K- HPC CarbonWeight:- From 1270 g ±50 g (only for Primal graphic)- From 1330 g ±50 g (other graphics)Retention System:- Dd ringVentilation:- Front vents- Top vents- Chin guard vents- Rear Extractors- Side Vents- Eps rear extractorsInner Lining:- Removable and washable inner lining- Hypoallergenic