Stilo AA0810AF1X55 FN Carbon Full-Face Racing Helmet Size - ST6 55 SA2025

The Stilo ST6 FN Carbon is the evolution of the legendary ST6 racing helmet, trusted by champions worldwide. Built for open-wheel and open-cockpit racing, the FN (Formula Naked) variant is engineered without integrated sideports, optimizing aerodynamics and downward visibility for the demands of formula-style racing environments. This size 55 helmet carries both Snell SA2025 and FIA 8859-2018 certifications, meeting the highest standards in motorsport safety.

Constructed using Stilo's proprietary Puro Tech carbon fiber process, the shell uses minimal fillers, clearcoats, or lacquers — resulting in an exceptionally lightweight helmet without sacrificing structural integrity or finish quality. The redesigned aerodynamic profile has been refined through F1-level testing, delivering a stable, planted feel at any speed.

Key Features:

• Snell SA2025 / FIA 8859-2018 certified — meets top-tier international motorsport safety standards
• Stilo Puro Tech carbon shell — ultra-lightweight construction with exceptional strength and a premium finish
• FN (Formula Naked) design — purpose-built for open-wheel and open-cockpit racing without integrated sideports
• F1-tested aerodynamics — optimized shell profile for superior stability at high speeds
• Improved downward visibility — enhanced sightlines critical in low-seating open-wheel cockpits
• Redesigned front ventilation — increased airflow without compromising structural safety
• Dual locking visor system — secures the visor in both fully closed and vented positions
• Available in 3 shell sizes across 8 head sizes — optimized fit across a wide range of drivers
• Pre-threaded M6 HANS inserts — HANS anchors not included
• Compatible with Stilo communication systems and accessories

Whether you're competing in formula racing or an open-cockpit sportscar, the ST6 FN Carbon delivers the protection, aerodynamic performance, and lightweight comfort demanded at the highest levels of motorsport.