The FR429GRR5XL Insulated Bib Pants from Portwest LLC are engineered for extreme cold weather protection. These 5XL bib pants feature a flame-resistant outer layer that meets ASTM and NFPA standards, ensuring safety in hazardous work environments. The insulated lining offers superior warmth, making them ideal for outdoor work during winter months. With adjustable straps and multiple pockets, these bib pants provide both comfort and practicality. Suitable for industries such as construction and oil and gas, the FR429GRR5XL is a dependable choice for professionals needing protection against cold and flames.