HJC F71 Arcan Helmet. Advanced Fiberglass Composite Shell: Lightweight, superior fit and comfort. "ACS" Advanced Channeling Ventilation System: Full front-to-back airflow flushes heat and humidity out of the helmet. Three (3) Intakes and two (2) Exhausts. Pinlock Ready HJ-38 Visor: Provides 99% UV protection, anti-scratch coated. Two-way Pivot Ratchet: Smooth ratchet movement and improved sealing. Push Release Visor Lock: More secure and convenient. Distortion-Free Visor (Shield). Dynamic Multi-Step Sunshield for optimized position; Black Dark Smoke installed; anti-fog coated; distortion free. 3D Contour Cheek Pads for Comfort: Moisture wicking and dry. Crown and Cheek Pads: Removable and washable. Cheek Pads: Interchangeable throughout all sizes.