This sweater is by Izod and is labeled as a size M. The material is 100% acrylic, unlined, and machine washable. It is in excellent vintage condition, see photos. It measures 20 inches across the shoulders, 50 inches at the chest, 27 inches from top to bottom, and the sleeve has a 20 inch inseam. Please contact me with any questions and take a look at my other items!