TurboJohn LLC © 2024
Designed by TurboJohn LLC © 2024

• SFI Certified
• FIA Approved
• Athletic, asymmetric front/rear cut for a comfortable driving position
• Flat seams designed to reduce pressure points and improve strength
• Exclusive 30mm Preox® stretch waistband creates an ultra thin profile under belt
• SFI 3.3 certified
• FIA 8856-2000 approved

Lightweight and offering high breathability and flame-resistance properties, the Race Series F1 specification underwear incorporates a relaxed fit for comfort when wearing a driving suit..

Certified to FIA 8856-2000 and SFI 3.3 homologation standards.

• F1 specification underwear, constructed using an innovative flame resistant technology developed by Alpinestars. Lenzing FR® is a special natural viscose fiber with unique thermal insulation and permanent flame resistance properties that help prevent heat stress and heat stroke.
• Lightweight, special material structure offers high breathability performance.
• Relaxed fit offers increased comfort.
• Extended collar for greater performance.
• Special material formulation is more breathable and has better elastic properties than conventional fabrics.

• Alpinestars Nomex® underwear series provides a safe and comfortable layer underneath your suit, boots, and helmet
• 180gr 100% Nomex®/Meta-Aramide construction for maximum safety Sizing Chart
• Crew neck.
• Kevlar® thread included in the fabric texture for softer feel.
• Flat seam construction to reduce pressure points.
• Interlock wave construction for enhanced comfort.
• Short sleeve.