Here's a heavy-duty 15-ounce 100% cotton denim jean with your a comfortable 100% cotton flannel lining. Waist sits at the natural waist level. The seat and thigh provide a tad extra room. 17.5-inch leg openings allow plenty of room to fit easily over work boots. Back pockets are reinforced and front pockets are riveted. This is a blue jean that's just as warm as it is tough. And it's all Carhartt!For over 115 years, Carhartt has manufactured premium workwear known for exceptional durability, comfort, quality of construction, and fit that you can feel in the fabrics and see in the performance.