These Benchmark 2007FR indigo blue denim jeans for women have a loose fit and a boot-cut leg. They are made of flame-resistant denim fabric for protection against flame and arc flash and are 70% cotton / 30% modacrylic. The pants have reinforced belt loops, a Melamine high-temperature button closure, and five pockets. They are pre-shrunk, do not require breaking in, and are safe for home and industrial laundering. These denim jeans meet National Fire Protection Association (NFPA) standard 70e and are compliant with Hazard Risk Category (HRC) 2, with an Arc Thermal Protective Value (ATPV) of 14. They are code compliant with Occupational Safety and Health Administration (OSHA) 1910, ASTM International 1506, and National Electrical Safety Code (NESC) 2012. Made in USA. Benchmark FR manufactures arc and flame-resistant clothing. The company, founded in 2002, is headquartered in Santa Ana, CA.