Product41 offering a complete line of 3 layer and single layer auto racing driver suits. The Zamp Racing line, A full range of single layer SFI 3.2A/1 to SFI 3.2A/5 and FIA8856-2000 certified racing suits. Suit size ranges from youth sized racing suits to 5X sized racing suits. In addition to any racing fire suit we recommend the use of SFI 3.3 approved fire retardant underwear. See our full line here.