FR M4 Low Rise Workhorse Boot Cut PantFor 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 Relaxed through waist, hip and thigh Low rise Boot cut Durable 11 oz cotton/nylon canvas Hidden phone pocket Utility and multi-tool pocket 88% cotton, 12% nylon