Is this current? I understand SFI numbers, but not FIA.
Thanks.

~edit~ this is a 2-layer

 

http://www.fia.com/sport/Regul....html

 

Taken from the March 04 SCCA Fastrack:

17.23. REQUIRED DRIVER SAFETY EQUIPMENT
The following equipment shall be in good condition and free of defects, holes, cracks, frays, etc.

1. Driving suits that effectively cover the body from the neck to the ankles and wrists, manufactured of fire resistant material, worn with underwear of a fire resistant material. One-piece suits are highly recommended. All suits and underwear shall be made of the following accepted fire resistant materials: Nomex, Kynol, FPT, IWS (wool), Fiberglass, Firewear™, Durette, Fypro, PBI, Kevlar, NASAFIL, or any suit carrying an SFI 3-2A/1 or higher certification patch. Underwear of PROBAN is approved. The following specific manufacturer(s) material combinations are also recognized: Simpson Heat Shield, Leston
Super Protex, FPT Linea Sport, and Durette X 400. Underwear is not required with three-layer suits or with suits carrying FIA standards of 8856-1986 or 8856-2000 or SFI 3-2A/5 or higher (e.g., /10, /15,/20) Certification Patch. FIA homologated driving suits and underwear are recommended.

 

Unfortunately, everything I'm able to find on this is in French or something.