THE ICONIC CARHARTT ACTIVE JAC: Often imitated, the original Carhartt Active Jac is engineered for cold and durability on and off the job. QUILTED FLANNEL LINING: Provides under-the-covers-warmth with enough room to move comfortably. RUGGED COTTON DUCK: Tough-as-nails cotton blend material with rib knit waist and cuffs keep heat in and the cold out. PRACTICAL DETAILS: Attached hood, two inside pockets for additional storage. VARIETY OF COLORS AND SIZES: Available in plus size and big tall options, this jacket fits a wide range of body types comfortably.