For durability, added comfort and style, Ariat's flame-resistant workhorse pants come fully loaded with features that are engineered to help get the job done. Durable 11 oz cotton/nylon canvas in navy that is permanently flame resistant. Relaxed through waist, hip and thigh, low rise and a boot cut leg. CAT 2 ATPV 12.7 NFPA 70E and NFPA 2112 rated. These pants also feature a hidden phone pocket, utility, and multi-tool pockets. 88% cotton and 12% nylon. Ariat Men's FR M4 Navy Workhorse Relaxed Fit Boot Cut Work Pant