This professional flame-resistant firefighting vest and hat set adopts advanced flame-retardant treatment technology, achieving A2 level flame resistance, capable of withstanding 500°C high temperature for 30 seconds without burning, enhancing thermal protection performance by 125%. Using a unique three-layer composite structure, it provides excellent thermal insulation and fire barrier while maintaining lightweight design total weight only 580g. The matching hat uses the same grade flame-resistant material, forming a coordinated head-body protection system. Specially designed for forest firefighting, industrial fires, and building fire rescue, it provides critical life protection for frontline rescue personnel.