Wading belts perform two main functions: they're a place to keep commonly used tools and accessories such as a Boga Grip handy and in the event of ending up in the water to help slow water from filling up your waders.
The best will have almost indestrutible buckles and be built of material that has a pretty good chance of lasting a lifetime. The thicker material also stops the belt from having any chance of folding over on itself.
