Alpinestars ZX Series EVO layers are constructed with Lenzing FR®an innovative natural viscose fiber that affords exceptional flame resistance and protection against heat transfer. This Formula 1 specification underwear is extremely lightweight and thin, while being incredibly soft to the touch for greatly enhanced comfort when wearing a driving suit.
• 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.
• Special material formulation is more breathable and has better elastic properties than conventional fabrics.
• Lightweight and seamless tubular torso construction ensures maximum driving comfort with minimal material encumbrance.
• Elongated rear profile for improved fit in the seated position.
• Fabric construction is soft to the touch ensuring a pleasant feel against the skin.
• Available in OS, (one size).
• Certified to FIA 8856-2000 and SFI 3.3 Level 5 standards.