The Glider has tons of functions. It"s the Ultimate Adventure Bag that is a patented new Travel System. As a Backpack it can be carried in a north/south direction with its hide-away backpack straps. The design distributes heavy weight and gives maximum comfort while lightening the heaviest cargo. As a Carry-all it can be carried horizontally and comes with detachable shoulder strap. Top and side ergonomic handles give lots of versatile carrying options. Over-under section: Great for boots or equipment. Internal dividers not only organize, but protect. Internal dividers are collapsible so you can organize and protect your equipment, boots and clothing. Interior zip-around trap door allows the bag to become adaptable for larger items. The bottom section is vented for aeration of boots and shoes.