Certified to FIA 8856-2000 and SFI 3.3 Level 5 homologation standards
• Formula 1 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.
• Available in men's INTERNATIONAL sizes, XS/S, M/L, and XL/2XL.