Aqua Sling PackAqua Sling gives you freedom to fish. It is totally out of your way until you need it and then with just one quick move you have full access to two compartment bag. Both compartments have inside pocket leaves with zipper pockets for smaller items. Main compartments are big enough for water bottles, several fly boxes, cameras etc. With YKKs highly water resistant AquaGuard zippers it keeps your gear dry even in bad weather.