Stilo Helmet Size Chart

Stilo Helmet Size Chart

Stilo ST5 Naked FN Formula SA2015 Carbon Fiber Auto Racing Helmet

item #
AA0710AF1M
item #
AA0710AF1M

Stilo ST5 Naked FN Formula SA2015 Carbon Fiber Auto Racing Helmet

The Naked line of helmets (designated "FN") takes the concept of lightness further by eliminating the integrated accessory ports on the side of the helmet. ... Read more

The Naked line of helmets (designated "FN") takes the concept of lightness further by eliminating the integrated accessory ports on the side of the helmet. This gives absolutely the lightest Full-face Formula style helmet in the world at just 2.58 pounds.

What's Included

  • Helmet
  • Earcushions
  • 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.

The Carbon Formula model has NO side ports

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