Highly aerodynamic shell design biker helmet , fully adjustable visor and face ventilation, two stage adjustable brow airflow control, fully removable and washable lining using COOLMAX, quick release visor system and safety lock, pinlock prepared, Discount multicolor motorcycle helmet with chin cuff air deflector, soft composite breath deflector, double `D` retention system, light and strong polycarbonate shell construction, Homologation certificate ECE 22.05, ACU approved.