SPECS: Laptop sleeve: Holds 15 in. laptops, 11.4 in. x 14 in. Dimensions: 11.2 in. x 5.1 in. x 17.9 in. Weight: 1 lb. 11 oz. Volume: 19.5 L Storage: Water-bladder pocket doubles as a 15 in. laptop pocket Large spacious zippered pocket Corded front pocket carries additional storage 2 self-concealing water bottle pockets Allow extra water prep and space for alternative storage Walk through narrow spaces without catching on the side of the backpack Design & Details: Padded shoulder straps and back panel offer all-day comfort Waterproof for protection from the rain Non-PFC water-repellant finish for non-toxic safeness and extra water damage prevention Weatherproof zippers handle rain and snow or other weather damage 75D polyester breathable membrane Sternum strap with whistle and buckle