This is one hardworking briefcase. Its versatile design will take you to the office, the gym and everywhere in between.Tough 900 denier polyester canvas body with a durable 1680 denier ballistic nylon reinforced bottom. Exterior configuration includes 2 roomy compartments with room for your cell phone, a calculator, a handful of pens and more; waterproof YKK zippers keep contents dry and secure. Two snap-closure side pockets are sized to hold water bottles or other small items. Original Buffalo Check? wool side panel trim adds a unique vintage accent. Lined with polyester canvas and neoprene in our signature Woolrich red. Its interior pocket configuration is designed to keep you organized all day: the large open central compartment has 2 zippered back wall pockets, 3 slip pockets, a full-width Velcro-closure pocket, plus a padded laptop sleeve that holds a tablet or small laptop up to 13".