The main difference between the Alpinestars Lenzing sock and the Nomex is the thickness of the sock. The Lenzing sock is similar to traditional dress sock and the Nomex is similar to an athletic sock.
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
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, 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.