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The RaceQuip SFI 3.3 underwear bottoms are black, SFI 3.3–certified flame-resistant undergarments in size 5XL. Intended to be worn beneath a driver's race suit, they provide SFI 3.3 protection for motorsport applications. Pair with the RaceQuip SFI 3.3 top for full certified coverage and to ensure the correct fit under approved outer protective apparel.
RaceQuip Black SFI 3.3 Fr Underwear BTM - 5XL
