When fire safety ranks high on your list, make sure you own a pair of Carhartt Flame-Resistant Relaxed Straight Force Rugged Flex Dungarees. These Carhartt pants are certified to NFPA 70E and NFPA 2112. A flame-resistant staple that doesn't skimp on comfort, these Carhartt jeans are built to move from stretch-denim that wicks sweat. Cut with a relaxed fit and a straight leg opening. 69% cotton/29% modacrylic/1% elastane/1% aramid, 11-oz. Flame-resistant denim meets the performance requirements of NFPA 70E UL classified to NFPA 2112. Built to move with Rugged Flex technology. Force and FastDry technologies team up to wick sweat, dry quickly, and promote cooling breathability. Multiple tool and utility pockets let you bring your tools of the trade. Carhartt branding gives a nod to the most proven name in workwear. Machine wash. Imported.Manufacturer style #: 104633. 69% cotton/29% modacrylic/1% elastane/1% aramid Flame-resistant jeans with Carhartt durability Rugged Flex stretch fabric FastDry and Force technologies Comfortable fit Fast-drying Moisture-wicking Multiple tool and utility pockets Carhartt FR label sewn on back pocket