Alpinestars ZX Series socks 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 racing shoes.
* Certified to FIA 8856-2000 and SFI 3.3 homologation standards
* 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.