Durable and lightweight polymer shell. MIPS Evolve Core system to help redirect rotational movement in angled impacts. Moisture wicking machine washable cheek pads and comfort liner. 10 intake vents and 4 exhaust vents for added airflow. 3 eyebrow vents to evaporate sweat. Wire mesh chin bar vent. Flexible rubber nose/cheek piece to help deflect roost. Padded chin strap with D-ring closure. Fixed, non-adjustable sun visor design. ECE and DOT approved. FMVSS 218 Compliant. MSR MAV Helmet is a performance leader in MX and off-road helmets. The MAV helmet features the MIPS Evolve Core system for optimal coverage in safety. MAV elevates comfort, unleashes airflow, and boosts performance, leaving the competition in the dust.