Spacious main compartment, Flap top with dual side-release buckle closures, Drawstring cinch closure. Padded internal sleeve fits most 15" laptops, Large zippered top flap pocket, Large bottom zippered pocket. Adjustable side water bottle pockets, Dual side compression straps, Spacer mesh shoulder straps. Top carry handle, Heavy-duty YKK zippers, PackFast Travel Bag attachment loops. Materials: 1000D nylon, 420D nylon pack cloth, 210D nylon pack cloth liner; 1000D recycled nylon, 420D recycled nylon, 210D recycled nylon on Blue/Khaki and Black/Khaki colors, Dimensions: 11"w x 17"h x 4.5"d