There are ordinary backpacks and then there is the Under Armour Boys UA Storm Backpack which stands up to the toughest conditions. Everything about this bag has been designed with protection in mind, from the spacious main compartment for books to quick stash pocket for keys. Built with protective water resistant Under Armour Storm technology, this helps to keep your items dry when the weather turns bad. It comes with a dedicated laptop pocket (up to 15'') whilst mesh side pockets are ideal for storing water bottles or snacks you want quick, easy access to. Even the adjustable shoulder straps have been looked after as the HeatGear material helps to keep your shoulders cool and dry so you can transport this bag in total comfort no matter how short or long your journey is. Constructed with 420D Polyester and an Abrasion-Resistant Bottom.