We've streamlined our Maximus duffels for less bulk and even more versatility. Now with removable backpack straps, you can carry your bag the way that works best for you. Built for the most demanding expeditions in the harshest environments, Maximus duffels are, as always, easy loading, easy hauling, and beyond rugged. 600-denier polyester is TPU-coated for weather resistance. Packs down into zip end pocket when not in use.