To the adventure diver, the Aqua Lung Explorer Collection II: Duffle Pack is the most versatile dive pack on the market. It is carry-on sized, has packable backpack straps that second as duffel handles, a mesh drying pocket on one side and an organization pocket on the other. The fin straps on the back of the bag will hold any size fin and it has the all important sunglass pocket, for your knick-knacks.