Waxed canvas is a great Field Tan color, made of 10oz canvas and only gets better with wear and age. FIT // Slim Fit (runs small) FABRIC // 10oz Martexin waxed 100% cotton canvas – 2 exterior patch hand warmer style pockets – Welt left chest pocket – Interior right chest pocket – Branded nickel buttons – Sewn in Los Angeles, Calif. I've had this jacked for several years, but only worn it a handful of times. Great, stylish piece!