Serban,
In my opinion..the only boots that are going to be 100% waterproof are going to be rubber. I have hunted sharptails in Nebraska and North D, walked alot of miles in all kinds of terrain and I've never had foot problems with my Lacrosse Alpha Burly boots. I always wore them early in the morning and changed to my leather boots in the afternoon after the dew had dried. They are just now starting to crack, I bought them new in 2002.

Dustin