Material: Nylon. Features thermal shell technology. PFC-free, durable water-repellent finish. Lightly insulated with broken fibre polyfill. Packs into its own pocket to transform into a travel pillow. Ergonomic fit. Adjustable hem. Audio system. Internal pocket. Sizes: S - 8/10, M -10/12, L - 12/14, XL - 14/16. Ref: UTRW7364