Race Bottom V3 XX-Large Black FIA

The Alpinestars Race Bottom V3 XX-Large Black FIA is a professional-grade racing underwear garment engineered for drivers competing in FIA-sanctioned motorsports events. Built to meet strict FIA safety homologation standards, this base layer serves as critical thermal and fire protection beneath racing suits during high-performance driving conditions. Whether you're on the circuit, in endurance racing, or preparing for competition-level track days, this garment provides the foundational safety layer required by motorsport governing bodies.

Constructed from Lenzing FR flame-resistant fabric, the Race Bottom V3 delivers superior thermal management and fire resistance without sacrificing comfort during extended driving sessions. The Lenzing FR fiber technology provides inherent flame resistance—the property won't wash out—making it dependable through repeated race weekends and practice runs. The black colorway maintains a professional appearance while the tailored fit of the XX-Large size ensures proper layering under a racing suit without bunching or excess material that could cause discomfort during long stints behind the wheel.

Drivers competing in FIA-regulated series, including Formula racing, GT championships, touring car competitions, and professional endurance events, will find this base layer essential for both safety compliance and comfort. The FIA approval ensures acceptance at technical inspection for sanctioned events worldwide. Pair the Race Bottom V3 with a complementary FIA-approved top and a racing suit rated to the same safety standard for a complete protective system. Available as a single garment, this piece is sized to fit the XX-Large frame with precision for optimal layering performance.