- Alpinestars ZX Series underwear is constructed with Lenzing FRŽ; 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.
- Certified to FIA 8856-2000 and SFI 3.3 homologation standards
- Formula 1 specification underwear, constructed using an innovative flame resistant technology developed by Alpinestars. Lenzing FRŽ 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, seamless construction ensures maximum driving comfort with minimal material encumbrance.
- Fabric construction is extremely soft to the touch ensuring a pleasant feel against the skin.