Doughnut Dynamic Large Shield Series - BlackDESCRIPTION Classic DN Black lines have been upgraded with cut resistant feature to protect your valuables and offer you a carefree journey. Dynamic stands for activity, it is full of energy and can adapt to different changes. This backpack is simple in appearance and sporty, with a retractable buckle in the front compartment to allow for easy adjustment of the backpack capacity. Dynamic uses wear resistant military nylon, in addition to water proof,