Nitro extreme helmet, race proven polycarbonate shell, shell design optimized for reduced weight and increased air circulation and filtration, four separate rear exhaust vents ensure hot air is dissipated immediately, wide eye port aids peripheral vision, fully removable and washable coolmax liner system, three seperate air intakes on upper liner fixing plate, reinforced chinbar with integrated mouthguard, dust filter, fully adjustable visor with aluminum mounts, twin intakes at the forehead with wire mesh filtration screens, customizable cheekpads, crown and liner, double d buckle allowing for secure fitment every ride. Dot approved.