11oz, 88% cotton/ 12% nylon, Bootcut leg opening with reinforced hem guard, Low rise, CAT 2 rated; NFPA 70E, NFPA 2112 compliant, Hidden phone pocket, Multi-tool pocket, Layered back pockets, Flat hammer loop, For durability, comfort, and style, Ariat's Flame Resistant Workhorse Pants come fully loaded with features that are engineered to help get the job done. These pants meet flame resistant standards for protection against flash fire or electric arc flare ups, and have multiple pockets plus a hammer loop so you can keep important tools close at hand. Work hard, comfortably and safely with quality workwear from Ariat.