What's the secret sauce this backpack has? It's made of durable CORDURA® ripstop fabric, which is resistant to abrasions, tears, cuffs and has a water-repellent finish to help keep your belongings safe and dry. The 2-way zippered main compartment is spacious enough to haul textbooks or a change of clothes for the gym or an overnight trip. The 2-way zippered back panel houses an organizer that contains padded laptop and tablet sleeves. 2 large zip pockets on the front secure smaller items you want quick and easy access to and bottle pockets at the sides can hold your favorite beverages