The Flame Resistant Insulated Duck Bib Overall is UL-certified NFPA 2112 to help protect you against hazardous conditions that can occur on the some of the toughest jobs. Designed for your protection and comfort. Constructed of 11.5 oz. duck, 100% cotton 10.5 oz and Ultra Soft Moda-Quilt lining, to keep you warm and comfortable. It features: Quilted lining for warmth, zip front bib with storm flaps, zip to the knee leg opening, double reinforced knees, zipper closure chest pockets and adjustable elastic shoulder straps. Meets NFPA 70E Requirements, ARC Rating 39. Material: Cotton.