Well I'm not Captain Birdseye, but I'm involved in the business and have spent time out at sea in very wet weather.
Probably the gear of choice these days is the Fladen.
and it's not breathable in the slightest.
But it's cheap.
I do agree that breathability is over-rated. But spend 12 hours on a Salmon Farm working in an Oilskin and you'll be knackered and more likely to make a mistake that could see you end up in the water, than if you were wearing an ergonomically designed textile boiler suit.
At the real extreme is something like this.
This is the way the Scandanavians are going, but at £600 a throw I can't see them catching on over here for a while
Oilskins don't give you thermal protection in the water. Wet Suits and Dry Suits do.
Anyway, off topic, yet again![]()