Carhartt FR flame-resistant work pants in a durable navy blue cotton twill. These utility dungarees feature a classic carpenter style with multiple tool pockets and a hammer loop, reinforced with high-contrast white triple-needle stitching for maximum durability. Designed for safety and performance, they meet NFPA 70E and NFPA 2112 standards with a CAT 2 rating and an ATPV of 13 cal/cm². The relaxed fit and rugged construction make them ideal for hazardous work environments requiring arc-flash and flame protection.