While Simms brags the G4: "Features CleanStream technology along with our new StreamTread traction sole with Vibram Idrogrip 360 traction lug sole"; the West Branch of the Delaware has an acknowledged Didymo problem. I know you realize this already but for those that don't, due diligence regarding cleaning and drying completely doesn't go away with those shoes.

Another knock I have to shoes like that is the stiff uppers you complained about. I discovered a long time ago that if you do a lot of fishing from a kneeling or crouched position, you'll HATE shoes with a stiff upper.

You just saved me $220!