On the outside, our brushed cotton flannel gives the look and feel of a classic work shirt. Inside, faux shearling fleece adds warmth, while lightweight polyester taffeta in the sleeves ensures easy on/off and a perfect fit that never leaves you feeling constricted.Faux ShearlingAn important note on the use of a culturally appropriated term in this product description:Eddie Bauer has replaced the term Sherpa with Faux Shearling as part of our company-wide effort to remove culturally appropriated designs, terms, and names from current and future products. Sherpa refers to an indigenous people native to Tibet and Nepal in the eastern Himalayas of Central Asia. Learn more about our efforts hereModels shown are 6'0" to 6'2" tall, wearing size M/32x32.