The FR54 Work Pants FR54BKR42 by Portwest LLC are designed for durability and safety in hazardous environments. Made from high-quality flame-resistant fabric, these pants provide excellent protection against heat and flames. They feature a comfortable fit with reinforced seams and multiple pockets for tools and essentials. The pants are compliant with ISO 11612 standards for heat and flame protection, ensuring safety in various industrial applications. Available in multiple sizes, they are ideal for workers in construction, manufacturing, and other high-risk industries.