Verdict. Originals Outdoor Water Resistant Backpack Water repellent interior lining, and roll top with heavy duty clip Three interior pockets, one with extra padding and elastic band with Velcro to secure a device Two padded adjustable shoulder straps and a top grab handle Two open side pockets, one with expandable zipper for larger water bottles, back zipper compartment opens to easily access the main compartment 16.5-in high x 12.5-in long x 5.5-in wide