Made of Nomex®, flame resistant socks provide an extra layer of protection beneath your racing boots.
SFI Rated 3.3 / TPP = 10.
Medium thickness - 4 Sizes: S-XL - Black Only
›› It is a good idea to have two pairs of socks so will always have fresh pair during those long race weekends.
http://www.profoxracing.com/flame-resistant-nomex-underwear-hoods-socks.html