The all-new All Elements Aero-D is a sweptback design paired with durable, seam-welded waterproof construction ideal for motorists, cyclists, and outdoor sports enthusiasts. The welded seams and roll-top construction locks out moisture and the water-resistant front zipper pockets keep essentials easy to access. Whether on your daily commute or a weekend trek, this pack is essential to keeping your gear dry. Features: Waterproof welded pipe and seam roll-top construction, New aerodynamic shape with 3 externalwater-resistant pockets, Velcro attached and removable organization panel fits most 15” laptops, Padded airflow back panel, Reflective accents for visibility at night, 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 and Welded 420D nylon with TPU film laminate