The Under Armour Team Hustle Backpack II is a black polyester backpack for adults. It has convenient storage features, including a laptop sleeve, an audio pocket, a key clip, and hydration pockets. It can be customized to your needs because it is expandable and has adjustable straps. It also features reflective surfaces so that you can be visible to drivers. It is water resistant, so you don’t need to worry about a little rain getting to your backpack’s contents.