This listing is for a youth Patagonia Nano Puff Primaloft jacket. Size large and made of 100% nylon with a polyester lining and insulation. Jacket has some minor staining (refer to photos) but in overall good shape. If you have any questions please do not hesitate to ask and thanks for looking :) Measurements: Across Chest (pit to pit): 17.5" Length (collar to hem): 23" Sleeve Length (armpit to end of sleeve): 18"