Carhartt Polar Fleece lining in the body of coats and fleece insulation in sleeves quilted to 100%-nylon lining provides extra warmth. Carhartt Micro-fleece lining in pockets enhances warmth and comfort while Raglan sleeves ensure freedom of movement. When you wear Carhartt Fleece-lined clothing, you're wearing a legend. Carhartt. Carhartt Fleece-lined Workwear for the American worker.