Keeping everything dry and tightly in wet conditions can be difficult, but backpack maker Tenzing has you covered with a line of new packs including the TZ WF13 Waterfowl Bag, which offers 2,830 cubic inches of space and 27 pockets in total. This rigid and waterproof EVA bag is constructed from 600 Denier polyester with PVC waterproofing and DWR coating, so it can endure muddy and wet environments and keep your gear dry.