The F31 combines lightweight comfort, advanced ventilation, and touring-focused functionality in a refined fiberglass design. Its Advanced Fiberglass Composite Shell offers a superior fit and comfortable wear, while the ACS ventilation system channels airflow from front to back to help remove heat and humidity. A Pinlock-ready HJ-43 visor with 99% UV protection, anti-scratch coating, and improved sealing enhances visibility and convenience, while the dynamic multi-step sun shield provides a more optimized riding position. Moisture-wicking interior materials, removable and washable pads, and SMART HJC Bluetooth compatibility further enhance everyday comfort and versatility. The Advanced Fiberglass Composite Shell is designed to be lightweight with a superior fit and comfort, using CAD technology. "ACS" Advanced Channeling Ventilation System: Full front-to-back airflow flushes heatand humidity up and out. Pinlock Ready HJ-43 Visor: Provides 99% UV protection, Anti-Scratch coated, Two Way Pivot Ratchet smooth ratchet movement & improved sealing Dynamic Multi-Step Sun shield for optimized position. Interior: Moisture-wicking and liners. Crown and Cheek pads: Removable and washable. Ready for SMART HJC 21B & 50B Bluetooth (sold separately).