Introducing the Brawny Flannel & Thermal 2-Pack by JACHS NEW YORK, a pinnacle of rugged warmth and versatility in navy plaid pattern. This long sleeve set features the heaviest flannel yet, crafted from 100% cotton, paired with a thermal knit pullover composed of 60% cotton and 40% polyester. Ideal for fall travel occasions, this 9oz heavyweight shirt can be flexibly worn as a standalone piece or layered. Care is easy with a machine wash and line dry recommendation.