The scrimmage might come before the big game, but it gets close to being as authentic of an experience as possible. That???s why this backpack, for the boy just a few years into school, aims for a mature design. Inside, a laptop sleeve holds his most important electronic device, while a water-repellent finish keeps everything from textbooks to papers dry. Along with these essentials, a padded back panel ensures he stays comfortable, no matter how he travels home.. . Made out of polyester. UA Storm material uses a DWR finish to repel water. With adjustable HeatGear(TM) straps. Padded back panel adds more comfort. With a lined sleeve for a 15 in. laptop. Includes two zippered main compartments and a quick-stash front compartment. Both sides have a mesh water bottle pocket. Top grip handle. Holds 26.5 L. Measures 18 in. by 12 in. by 8.5 in.. Imported.