RaceDaySafety.com stocks a large selection of Double or Multi Layer Race Suits, Jackets and Pants that carry the SFI 3.2A/5 or SFI-5 certification. This type of Fire Suit can provide up to 3 times the heat and flame protection versus the standard SFI 3.2A/1 or SFI-1 Fire Suit.

Although construction materials vary by manufacturer, SFI 3.2A/5 Auto Racing Suits utilize a variety of fabrics to achieve the protection level. The higher end, lighter weight Racing Suits are constructed from Nomex® or similar Aramidic fabrics. The more affordable Racing Suits are constructed from a treated cotton fabric, such as Pyrovatex® or Proban®.