Alpinestars (4754913-10-O/S Black One Size ZX Balaclava 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 Incredibly soft to the touch for greatly enhanced comfort when wearing your helmet Certified to FIA 8856-2000 and SFI 3.3 homologation standards