Biltwell El Dorado Shirt Jacket Neither shirt, nor jacket, but an elusive third thing... the El Dorado Shirt Jacket is just as at home at a campout or a night out on the town. Its tailored silhouette features a 7.5 oz. cotton/nylon blend twill canvas shell. This material provides great resistance to wind and mild weather without compromising fit or flexibility. Inside, a 100 fleece polyester liner insulates your core for comfort. Sleeves are lined with silky smooth Repreve recycled polyester. Five pockets provide options for carrying gloves, key fobs, glasses, cash, and other essentials. Features: 7.5 oz. cotton/nylon blend twill canvas shell 100 fleece polyester liner Sleeves are lined with silky smooth Repreve recycled polyester Five pockets