Under Armour Hustle 5.0 Backpack (Blue & Red)

This UA backpack does it all. It's water-repellent for the rain, tough as nails, comfortable as anything, and has all the pockets you need to hold all your stuff. 

The water-resistant UA Storm technology keeps your stuff dry. The backpack features a breathable mesh padded back panel & adjustable, HeatGear shoulder straps for total comfort. Also, the soft-lined laptop sleeve—holds up to 15" MacBook Pro or similarly sized laptop.