Constructed of heavy gauge tarpaulin material this backpack is built to sustain the roughest of conditions. The backpack is water and stain resistant. With its unique roll top closure secured by a buckle strap making it easy to access the main compartment. Inside it has a padded sleeve for a 15.4” laptop. On the front there is a large zipper pocket for smaller essentials. Extra-wide air mesh padded back straps and dual mesh pockets makes this backpack a great choice for any outdoor adventure.