For comfort and warmth on cold work days, Carhartt's relaxed fit jean is lined with 100% polyester fleece. Built tough, this 15-ounce, 100% cotton denim jean features straight legs and a cut that sits at the natural waist. For added comfort, it offers a relaxed seat and thighs. The back pockets are reinforced and the leg openings measure 17.5 inches to fit over work boots.