Arai Central top ventilation motorcycle helmet Top Duct Frost (Yankee) MX-V

Front Vent: Center top vent - intake: New top vent provides 11% more airflow than previous vent. The new larger switch makes it easier to open and close. The new Top Vent has three positions: closed, semi-open and fully open to adjust airflow and prevent water intrusion when fully closed. Frontal Ventilation: Inner Chin Vent Shutter (Bar): - Open and close the chin bar vents from the inside to prevent debris from entering the helmet in dusty riding conditions.