This listing is for a youth Nike x Cooperstown MLB Boston Red Sox pullover hoodie. Size large (will also fit an adult small, refer to measurements below) and made of 80% cotton and 20% polyester. Used and in great condition. If you have any questions please do not hesitate to ask and thanks for looking :) Measurements: Chest Width (pit to pit): 20.5" Length (collar to hem): 24.5" Sleeve Length (armpit to end of sleeve): 19"