K1 single layer SFI race jacket is an affordable, high quality fire jacket that is perfect for novice and experienced racers. If the race league that you compete in does not require Nomex fabric,  Proban cotton fire jacket is the logical choice. Providing superb protection in the event of a fire thanks to its SFI 3.2A or 1 certification and designed to meet the needs of racers at an extremely competitive price, K1 Race Gear is confident that you will not be disappointed in the K1 SFI.1 race jacket.