The versatile Granville 25 adapts to all conditions you encounter. Its weatherproof material (our highly durable N400r-AC ² nylon tear resistant fabric) and weatherproof structure protect equipment from rain and snow. Efficient storage features include easy-to-access top openings, internal partitions, laptop liner bags and light-colored interiors that make it easy to find everything. Hidden pockets under the top flap accommodate small necessities, and padded ventilated shoulder straps and AeroForm back provide breathable comfort.