Sparco RW-4 Fire Resistant Racing Boxers

Maximize track safety with the Sparco RW-4 Race Boxer Briefs. These professional-grade racing undergarments are fully FIA 8856-2018 homologated, ensuring they meet the latest rigorous fire-protection standards. Designed for long-stint comfort, they feature a seamless front to eliminate pressure points and irritation. The specialized blend of 55% modacrylic and 45% cotton provides a soft, natural feel with superior flame resistance and breathability.