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. Permanently flame resistant in a durable 11 oz cotton/nylon canvas. Relaxed through waist, hip and thigh, low rise, and boot cut leg. Utility and multi-tool pocket and hidden phone pocket. CAT 2 ATPV 12.7 cal/cm2 NFPA 70E NFPA 2112 Ariat Men's FR M4 Workhorse Grey Relaxed Fit Boot Cut Work Pant