Coated in Rain Defender durable water repellant toughness this I Am Second Carhartt Black Canvas Backpack is built for everyday hauling. Whether heading to the office or starting the school day, this 500D polyester no-nonsense backpack is ready to do the job. A large main compartment has an elastic pocket and a front zippered pocket has a key fob and two mesh pockets. This backpack includes a mesh side pocket for your water bottle and padded shoulder straps for comfort.