Stilo ST5 FN Composite Racing Helmet - SA2020 / FIA8859

Stilo ST5 FN Composite Racing Helmet — SA2020 / FIA8859. Composite shell, no integrated ports, taller eyeport, streamlined design for open-cockpit racing. Clean geometry, open-wheel specialist.

The Stilo ST5 FN eliminates the integrated accessory ports found on the GT model, delivering a streamlined design engineered specifically for open-cockpit cars. Composite construction keeps weight accessible. Taller eyeport and aerodynamic shell geometry work together to reduce buffeting and visor stress during high-speed runs. Clean, purposeful, no unnecessary ports or accessories. If your car is open, your helmet should be too.

WHAT'S INSIDE THE SHELL

• Composite shell construction (fiberglass/Kevlar)
• No integrated sideports — streamlined exterior profile
• Taller eyeport optimized for open cockpit visibility
• Two-shell sizing for balanced weight distribution
• Multi-density impact liner with moisture management
• HANS anchor posts pre-installed

CERT
Snell SA2020 / FIA 8859 — legal for SCCA, NASA, and open-wheel competition through 2030.

HEADS UP ON FIT
Stilo composite shells run intermediate-to-wide. Measure carefully and check Stilo's size chart. The FN will feel secure — not claustrophobic, but definitely snug. First few sessions, it settles about half a size. Wear it before race day to break it in.

FastLap Supply Take: The FN is pure-play open cockpit. No sideports means no distractions, no weight, no wires. If you're running a Spec Miata, an open-wheel car, or any single-seater, this is the Stilo to buy. The streamlined geometry actually makes a difference in high-speed corners — less buffeting, cleaner airflow. Composite keeps it light. The price is premium but justified if you only race open cars. This helmet does one job exceptionally well.

FAQ

Can I add hydration or comms to the FN?
The FN doesn't have factory ports, but Stilo makes external adapter kits that attach to anchor points. It's not as elegant as the GT's integrated solution, but it works if you need hydration in endurance racing.

FN Composite vs FN Carbon — which one?
Composite is the workhorse — strong, affordable, proven. Carbon is lighter and built to tighter tolerances but costs nearly 2x as much. Composite is the right call for most club racers. Carbon is for drivers who've already owned a helmet and know exactly what they want.

Is this helmet good for track days?
Absolutely. SA2020 is accepted at every major track day org in North America. Stilo helmets are factory equipment at professional racing schools. You're buying proven kit.