This is the bag you need it to be. Carry it as a backpack or as a duffle—whatever the situation demands. And, since it's one of our bags, you know it's also tough and water-repellent so it can go anywhere. DNA DNA Works as both a backpack & duffle with removable duffle strap UA Storm technology delivers an element-battling, highly water-repellent finish Padded airmesh back panel & PU-coated body fabric for ultimate durability & breathability Large vented main compartment with internal organization Soft-lined laptop sleeve—holds up to 13" MacBook Pro® or similarly sized laptop Dual-direction extra deep water bottle pockets & 1 exterior valuables pocket Gusseted laundry/shoe pocket placed at bottom Welded hypalon modern molle webbing for additional attachment points Specs Specs Style #: 1361225 Dimensions When Full: 10.6"W x 9.4"H x 21.7"L Volume: 40 L 100% Polyester Imported Fit & Care Fit & Care One Size Fits All