It's a shirt. It's a jacket. It's Supershirt. Shirt-weight flannel is fully lined with toasty sherpa fleece; side seam pockets up the outerwear potential. Cotton flannel; polyester fleece. Machine wash. Imported. Sizes M (38 to 40), L (42 to 44), XL (46 to 48), XXL (50). Approx. 31-1/2"L.