hjc 10172811 c10 aspa mc28sf 11 xxl mpn-10477308 Racing evolution with improved aerodynamics

Racing evolution with improved aerodynamics to reduce lift and wind resistance

"Push & Release" visor locking system for increased safety and ease of use

Aerodynamic shell structure for extreme performance at maximum speeds

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Advanced Polycarbonate Shell: Aerodynamic and lightweight design

hjc 10172811 c10 aspa mc28sf 11 xxl mpn-10477308 Racing evolution with improved aerodynamicsAdvanced 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.