The OGIO All Elements Aero-D is back with a new design that combines durability and waterproof features for commuters, cyclists, and outdoor adventurers. With seam-welded construction and a roll-top closure, moisture is no match for this pack. Plus, the front zipper pockets are water-resistant, making it easy to grab your must-haves. Whether you're going to work or on a weekend trip, this pack is a must-have to keep your belongings dry. Features: Waterproof welded pipe and seam roll-top construction New aerodynamic shape with 3 external water-resistant pockets Velcro attached and removable organization panel fits most 15” laptops Padded airflow back panel Reflective accents for visibility at night Tech Specs: 1600 Cu.In/26 L + 20.5”h (rolled) x 10.5”w x 6.75”d 2.5 Lbs/1.13 Kg + Laptop sleeve 14.5”h x 9.75” x 1” Welded 420D nylon with TPU film laminate