Bell BR40083 Sport-TX Racing Underwear Bottom Black Large SFI 3.3/5

The Bell Sport-TX Underwear Bottom is a professional-grade racing base layer designed for entry to mid-level racers seeking reliable thermal protection and comfort. This fire-resistant pant bottom is certified to SFI 3.3/5 standards, ensuring it meets rigorous safety requirements for motorsports competition.

Key Features:

• Constructed from highly breathable and lightweight aramid material for superior heat protection
• SFI 3.3/5 homologation certification for professional racing applications
• Ankle cuffs provide complete coverage and secure fit
• Designed as a first-layer thermal undergarment beneath racing suits
• Moisture-wicking properties help maintain optimal body temperature and reduce fatigue
• Available in black color, Large size

The Sport-TX line offers entry-level racers professional-quality protection at a competitive price point. This underwear bottom works seamlessly with other Bell Sport-TX racewear components including matching tops, balaclavas, and socks to create a complete fire-resistant base layer system for circuit racing, endurance events, and other motorsports disciplines.