Underwear Bottom FR Black XX-Large SFI 3.3

The RACEQUIP Underwear Bottom FR Black XX-Large SFI 3.3 is a fire-resistant base layer designed specifically for drivers who prioritize safety in motorsports. This garment is essential for professional racers, weekend enthusiasts, and serious motorsports fans, providing critical thermal protection in the event of an engine fire or fuel system failure.

Constructed to meet SFI 3.3 certification standards, this underwear bottom undergoes rigorous thermal and flame-exposure testing, ensuring it meets the safety requirements set by major sanctioning bodies like NHRA, IMSA, and SCCA. The black FR fabric is designed for durability and comfort, effectively wicking moisture while retaining its flame-resistant properties even after multiple washes.

Ideal for various motorsports applications, including circle track racing, drag racing, and road course competition, this base layer allows for a comfortable fit under race suits without adding bulk. For complete body protection that complies with racing regulations, drivers can pair the RACEQUIP underwear bottom with a matching SFI 3.3 top and an approved race suit.