The HJC F100 Modular Helmet offers touring versatility with convertible full-to-open face comfort and advanced airflow. TECH SPECS Pinlock® Ready HJ-45a (Fits XS, S, M) and HJ-45b Shield (Fits L, XL, XXL) HJ-V12 Dark Smoke Sun Visor Bluetooth Compatible With Smart HJC (Sold Separately) Includes Pinlock® Lens, Chin Curtain, And Breath Deflector Standards: DOT FMVSS No.218 Construction: Advanced Polycarbonate Shell Weight: 3.58 Lbs./1628 Grams (Approx, Based On Size Medium Solid Color) DESCRIPTION The HJC F100 Modular Helmet offers full-face protection and open-face convenience in one aerodynamic design. It features ACS ventilation, moisture-wicking liners, an auto-closing visor, adjustable sun shield, and Smart HJC Bluetooth readiness—perfect for touring or commuting. ADVANCED CHANNELING VENTILATION SYSTEM HJC combines cutting-edge technology with extensive expertise derived from designing MotoGP race helmets. As a result, our helmets are equipped with a state-of-the-art Advanced Channeling Ventilation System, setting new industry standards in aerodynamics and ventilation. VISOR SYSTEM The F100 is equipped with the Pinlock® Ready HJ-45 shield, delivering 99% UV protection and an anti-scratch coating for long-lasting clarity. A secure, user-friendly ratchet system makes shield changes fast and easy. For additional coverage, the built-in HJ-V12 Dark Smoke Sun Visor and offers 8mm of vertical adjustment, letting you fine-tune the sunshield height for a custom view. MODULAR DESIGN The all-new F100 marks a major step forward in modular helmet design. Built with HJC’s advanced rotation system, it delivers smooth, secure chin bar movement for seamless transitions between full-face protection and open-face convenience. Whether you're touring or commuting, the F100 offers the versatility and comfort riders demand from a premium modular helmet.