For shoes, and depending on the time of year, Colombia makes some nice ones.
A less spendy option are these from Cabela's
https://www.cabelas.com/product/WORLD-WIDE-SPORTSMAN-SHOAL-CREEK-BOAT-SHOES/3133590.uts?slotId=10
For colder water a good mud boot works.
https://www.academy.com/shop/pdp/lacrosse%C2%AE-mens-grange-hunting-boots#repChildCatid=143515
I've used all 3 of those and they are pretty decent.