Sliding visor system with 3mm visor Lightweight multi layer composite shell construction FIA 8878-2024 and K2025 certified The Stilo ST6 KRT Composite Kart Helmet is built specifically for adult karting, delivering a strong and lightweight composite shell that meets the latest FIA 8878‑2024 and K2025 safety standards. Its shell construction offers dependable impact protection while keeping mass controlled for improved comfort and stability over long sessions. With upgrades to the visor system, ventilation layout, and internal fit, it provides practical improvements that support performance, visibility, and comfort in a competitive karting environment. Here are the features and benefits you can expect from the Stilo ST6 KRT Composite Kart Helmet: Multi-layer composite shell construction: Built using a reinforced composite lay-up, the outer shell delivers reliable impact absorption while keeping weight manageable, helping reduce neck strain and improve comfort during extended runs. Sliding visor mechanism: Incorporates the same system used on the ST6, providing smooth, accurate visor adjustment with a 3mm FIA approved clear visor for uninterrupted visibility under varying