hjc 10042110 c10 hiper mc21 10 xl mpn-18530509 “ACS” System: Upper airflow flushes

“ACS” System: Upper airflow flushes heat and humidity out

without ever compromising on the comfort of any available size

ACS Advanced Channeling Ventilation System ensures constant airflow to keep the rider cool and dry

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hjc 10042110 c10 hiper mc21 10 xl mpn-18530509 “ACS” System: Upper airflow flushesAdvanced Polycarbonate Composite Shell: Lightweight, superior fit and comfort using advanced CAD technology. ACS Advanced Channeling Ventilation System: Full front to back airflow flushes heat and humidity out. HJ 34P Visor Pinlock ready: Provides 99% UV protection, anti scratch coated. 10mm enlarged view. Moisture wicking and dry interior. Crown and cheek pads: Removable and washable. Speaker pockets for Bluetooth communication.