Sparco RW-4 Youth Fire Resistant Racing Undershirt - FIA 8856-2018

• Youth-specific sizing designed for junior racers
• FIA 8856-2018 approved for modern motorsport safety standards
• Nomex® fire-resistant fabric provides reliable heat and flame protection
• Lightweight, breathable construction improves comfort during long stints
• Flat-seam stitching reduces irritation under racing suits
• Ergonomic stretch fit allows full mobility while driving
• Ideal for karting and junior auto racing requiring FIA-certified underwear
• Designed to be worn under FIA-approved racing suits for added safety protection

The Sparco RW-4 Youth Fire Resistant Racing Undershirt delivers professional-level fire protection and comfort for young drivers competing in sanctioned motorsport events. Designed specifically in youth sizing, this long-sleeve base layer provides the safety compliance required for many racing series while maintaining a lightweight, comfortable feel under a race suit.

Constructed from soft Nomex® fire-resistant fabric, the RW-4 undershirt offers excellent heat and flame protection while remaining breathable and comfortable during long stints in the car. The advanced material helps regulate temperature and manage moisture, keeping drivers focused even in high-pressure racing environments.

The shirt features an ergonomic cut and flat-seam construction to minimize pressure points and irritation under multi-layer race suits. The lightweight design allows the undershirt to fit smoothly against the body without restricting movement, ensuring young drivers maintain full mobility behind the wheel.

Certified to the FIA 8856-2018 standard, the RW-4 youth undershirt meets modern motorsport safety requirements used in many karting and junior racing series around the world.

Whether progressing through karting ranks or stepping into junior formula and sports car competition, the Sparco RW-4 Youth undershirt provides the fire protection, comfort, and compliance needed for serious young racers.