- Providing Cat 4 protection from arc flash and flash fire to help keep you protected on the job, these insulated FR bibs are constructed with durability and warmth in mind. The bib features back pockets for optimal storage, tool and utility pockets, adjustable straps for a personal fit, and ankle-to-thigh zippers on the legs to accommodate work boots.
Shell Fabric : DuraDuck Flame: 100% Cotton Duck 10oz
Lining Fabric : 100% Flame Retardant Cotton 7.5oz
Filling Fabric : 90% Modacrylic, 10% Aramid 3oz