Navigation Backpack | Tumi US。This is a navy blue Tumi Alpha Bravo Navigation Backpack. The three \'R\'s (rugged, reliable and refined) all report for duty in this quintessential backpack crafted from recycled nylon or luxe leather. Specially designed compartments protect everything from your laptop (padding) to your on-the-go hydration (water-resistent lining). The style also features Tumi\'s unique, complimentary tracing program to ensure you and your cargo are reunited. Top carry handle; adjustable backpack straps Padded compartment fits most 15IN; laptops Luggage sleeve This bag includes Tumi Tracer®, an exclusive, complimentary program that helps reunite lost or stolen bags with their rightful owners using a one-of-a-kind 20-digit number affixed to the bag