Stilo Helmet Size Chart

Stilo Helmet Size Chart

Stilo ST5 GT SA2015 Carbon Fiber Auto Racing Helmetby Stilo for 1915
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Stilo ST5 GT SA2015 Carbon Fiber Auto Racing Helmet

The Stilo ST5 is the new generation of full face helmet from Stilo. The ST5 GT is designed to satisfy those closed cockpit drivers who ... Read more

The ST5 GT Carbon Helmet is an evolution from the ST4 GT. The cutout for the eyeport on all ST5 helmets is taller than the previous ST4 and has a special visor to accommodate the larger opening.The ST5 GT carries a Snell 2015 certification which satisfies almost all racing sanctioning bodies' requirements for helmet certifications. Available with integrated Electronics, Air Supply and Hydration or any combination of the three, this helmet offers flexibility while maintaining a clean cabin. There are no wires or hoses hanging down below the helmet - everything integrates seamlessly with the shell of the helmet.

Features an M6 nut integrated into the shell for interfacing with Head and Neck Restraints.

What's Included

  • Helmet
  • Ear Cushions
  • M6 Nut pre-installed
  • 1 Clear visor

Optional Noise Attenuating Earmuffs

  • Also available with earmuffs that provide a significantly quieter environment for the driver by aurally isolating the ear. The pressure upon the head can be adjusted by replacing the special foam rubber pads placed between the earmuff and the helmet. The earmuffs unique shape ensures they stay in place and do not make the helmet difficult to put on or take off.

Visor Options - The ST5 FN Carbon comes with a 3mm clear visor for the absolute best in protection. For spares, you may choose from Clear, Yellow, Smoked and Irridium shields for driving in different lighting circumstances. All Visors mount with two specially machined aluminum fasteners and provide an air-tight seal with the rubber grommet on the helmet.

Aerodynamics - Front, rear, and IndyCar aero kits are available as add-ons

FHR Posts - M6 nut pre-installed for easy FHR Installation.

Two Shells - Stilo has two separate shell sizes for this helmet. This allows us to make a better-fitting helmet that is lighter weight. Instead of filling a very large shell with lots of padding for a size small, we have one shell size for extra small to medium, and one for large and extra large


  • FIA 8858-2015 and Snell 2015 Certified.
  • Autoclave-molded Carbon Fiber
  • Redesigned shell that optimizes shell size, airflow, visibility, and weight.
  • Features a much larger visor than previous models and opens past the line of sight.
  • HANS ready.
  • Features an M6 nut integrated into the shell for interfacing with Head and Neck Restraints.
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