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The RaceQuip SFI 3.3 fire‑retardant long john underwear bottoms in youth medium provide a compliant protective base layer for younger drivers in black. Sized for a comfortable, close fit under a race suit, they meet SFI 3.3 criteria to offer thermal protection for the legs while maintaining freedom of movement and compatibility with racing seats and belts.
RaceQuip SFI 3.3 Fire Retardant Long John Underwear Bottoms Youth Medium Black
