Racing Underwear : Alpinestars : ZX Socks
Alpinestars ZX Series socks are constructed with Lenzing FRŪ, 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. Available in white or black color. Sizes: S-XL.