Carhartt FRB13 DNM flame-resistant work jeans in a classic blue denim wash. These original fit carpenter pants are constructed from 100% cotton and feature multiple utility pockets, including a hammer loop and tool pockets. Designed for safety and durability, they carry a CAT 2 rating and meet ASTM F1506 and NFPA-70E standards. Note that these pants show signs of wear, including staining on the leg and fraying at the hems and waistband as seen in photos.