A promotional sport backpack soon to become your customers' favorites? We think so. These High Sierra® custom backpacks are lightweight with a 17 liter main compartment, gusseted cinch closure, zippered 1 liter top hanging pocket with internal webbing loops, and side mesh pockets to hold large 33 oz. water bottles. The front panel bungee cord is perfect for jackets sweaters, books and more. These custom printed High Sierra backpacks are easy to store and travel with, as the backpack stuffs itself into the top hanging pocket. And to top it all off, this backpack is outfitted to hold an internal hydration system (not included) with a reservoir clip, exit port for tube, and shoulder strap webbing loops for hose management. Perfect for biking, hiking, shopping, planes, trains and automobiles.