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Bell Pro‑TX underwear bottom in black, Small, is an SFI 3.3/5–rated base layer designed to be worn under a racing suit to meet safety requirements. Its slim profile minimizes bulk beneath outer garments while offering the certified coverage many events require. Sized for small fit, this Pro‑TX bottom provides a compliant underlayer option where SFI 3.3/5 protection is necessary.
Bell Pro-TX Underwear Bottom Black Small SFI 3.3/5
