The K1 Challenger Jacket is a single layer SFI-1 race jacket manufactured with high quality, treated FR Cotton and is ideal for entry level racers, pit crews, race officials and mechanics. If the race league that you compete in does not require Nomex fabric, our Proban cotton jacket is the logical choice! Providing superb protection in the event of a fire and Meeting stringent SFI 3.2A/1 certification standards, our K1 single layer race jacket is an ideal fire suit for a variety of racing classes, including dirt track and oval racing leagues such as Midgets, Quarter Midgets, Bandoleros, Sprint Cars, Legends, and Thunder Roadsters as well as sports car racing classes such as SCCA Solo and ProSolo. We are confident that you will not be disappointed in our K1 SFI.1 jacket!

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