The Aqua Lung Explorer Collection: Back pack is the perfect bag for a multi day dive trip. This back pack is designed with ergonomic straps and airflow back pads that encourage cooling in hot environments. The back plate is made from a flexible 1mm PE board that protects your back from protruding dive gear and is flexible to fold up for easy storage. The main compartments unzips to the bottom of the bag for easy packing and unpacking. The front pocket hinges open with quick release buckles so extra gear can be carried on the outside of the bag.