The Kluge Cargo Shoulder Duffel. This shoulder duffel bag is a part of the Kluge Cargo Collection. The satchel comes in navy blue with black accents and is made of 600D X 600D high density polyester with water resistant back coating. The shoulder bag has 15 cargo pockets! This sporty luggage piece has a removable and adjustable shoulder strap. The travel bag is reasonably priced, practical and so durable.