NG
There's a ton of stuff on previous threads that is good reference material on this topic. Just hit that search button up there on the top right, type in "waders" and voila.
You might also want to consider breathables. The only time I'll use neos anymore is when I'm fishing in in a float tube all day long.
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Matt. 8:27   The men were amazed and asked, “What kind of man is this? Even the winds and the waves obey him!”