FIA 8859-2024 & Snell SA2025 approved Lighter and stronger than previous ST5 models Integrated radio electronics The Stilo ST6 F Composite Helmet features a lightweight and super-strong composite shell that complies with the latest FIA 8859-2024 safety standard, offering superior impact energy absorption without adding unnecessary weight, in fact it is up to 11% lighter than the previous ST5 F Composite helmet. With integrated radio connection, and a dynamic microphone, this helmet ensures clear communication and maximum comfort during long race events. Improved composite shell design: Built to meet the latest FIA 8859-2024 standard, ensuring increased impact energy absorption for enhanced safety without compromising on weight or performance. Up to 11% weight reduction: Compared to the previous ST5 F Composite model, this helmet is lighter by up to 11%, with weights starting from just 1230g (Small shell), providing even less strain on your neck muscles and improving overall comfort. Revised ventilation system: Six chin bar vents, along with crown vents and padding channels, ensure maximum airflow to keep you cool and prevent visor fogging, maintaining clear visibi