I agree with Winston on 1 and 2. The reason that I try not to use anything (except Reno once in awhile) on brown, cappuccino or walnut is because each shoe\boot in those colors are slightly different and I don't want to alter the "natural" color of the shell. AE didn't even offer brown shell until 3-4 years ago and even that varies in shade. I feel that was a good move and do not wear new suede until I spray it. The Katmai is on closeout for mainstream purchase but one of those that should still be available through Lands End like the Bayfield and brown calf Leeds as long as your a D width. Yes they can stand up to crappy weather when treated and I have worn mine in the mud and rain shooting sporting clays, I usually wear the Katmai or shell 744's when I shoot clays spring through fall. I really like them and they are my first suede footwear in many years. Great purchase IMO.