A warm and hard-working choice, Carhartts sandstone active jac is lined with 100% polyester thermal, including its attached hood. For long wear, its constructed of rugged 12-ounce, 100% cotton sandstone duck. There are two inside pockets and two deep, hand-warmer pockets. The cuffs and the waistband are rib-knit to keep the cold out, and triple-stitched main seams enhance durability.