In reply to airbournegrapefruit:
Why bother? I wade about in 250mm of water with well-waxed BCH. With plenty wax on them they also sustain less damage from rocks and scree. The latest stuff is crap on the hill because of the heel. I keep the issue stuff for airfields and I still have a pair of the old 90s BCH for the hill.
I never use waterproof socks or liners and I never use cotton or synthetic socks. Wool, wool or wool.