The ATC VarCity Backpack is constructed with 600D polyester to ensure a durable and strong bag. This backpack features a spacious main zippered compartment, a secondary zippered compartment, and 2 front zippered pockets to offer you the most space without appearing bulky itself. The dual side mesh pockets are perfect to hold any types of bottles, while the adjustable, padded shoulder straps provide a custom fit strap to keep you comfortable. The inner laptop sleeve is also designed to fit most 17" laptops.