1. Driving suits shall meet one of the following standards:

A. FIA standards (8856 -1986, 8856-2000 or 8856-2018).

B. SFI 3-2A/5 or higher (e.g., /10, /15, /20) certification.

C. Suits carrying SFI 3-2A/1 certification may be worn only with fire resistant underwear.

D. Gloves made of leather and/or accepted fire-resistant material containing no holes.

E. Socks made of accepted fire-resistant material.

F. Face coverings (balaclavas) of accepted fire-resistant material for drivers with beards or mustaches.

G. Shoes, with uppers of leather and/or nonflammable material that, at a minimum, cover the instep