If you know this bag, you know how fantastic it is for EDC (Every Day Carry) items.  It's the perfect size to sit on your passenger seat, go to the office, or travel with documents.  Plenty of pockets to fit all your needs including a concealed carry pocket.  This bag is not designed to carry laptops or textbooks (get a backpack for that), but to be close to your hip for quick grabbing of documents, tablets, notebooks, water bottles, keys, flashlights, first aid, or anything else you might need either on a hike or touring the city.