18oz USA 5 pocket Model 18oz WAX Duck Canvas Nutmeg Brown There's a growing consensus that Heavy American fabrics may represent the best value in the Denim Market. Agree or not, this fabric is spot on in the American workwear category for longevity..The Duck Canvas we use has to be an America Classic. To us that means it is an America staple from the start and ages gracefully. This 18oz has a plain weave and is a very solid fabric. This fabric is the starting point for all American workwear. It American Workwear, Duck Canvas, Pocket Model, The Duck, Aging Gracefully, Waxed Canvas, Rebecca Minkoff Mac, Plain Weave, Spot On