The Oversized Fleece Stirling is another great option for winter, nice and soft and fleecy on the inside in a Cotton Polyester Blend, available in colours Brick, Charcoal & Navy Revolutionize your winter wardrobe with the luxurious Oversized Fleece Stirling. With its soft and fleecy interior, this Cotton Polyester Blend sweater will keep you cozy and stylish all season long.