Originally Posted by Billy Bones

Some observations:

1. The very technology that excludes water will by definition retain sweat. (Unless you've swallowed the Gore-Tex kool-aid and live in that delusion.)

2. There is a level of water in the environment driving in at all angles that will overcome any water-exclusion technique. Given that reality, . . .

3. The significant target is to reduce the hypothermic effects of cold water flow.

Regarding plastic, those sleeves in which the newspaper is delivered to the front door are ducky for pulling over socks but under the shoe. In the cold a bootie goes over the whole sock-sleeve-shoe gob. Obviously, this drill assumes one has accepted a level of Existential Wetness from Trapped Sweat in exchange for warm, albeit humid, feet.