Submarines get mighty cold in the North Atlantic. Anything that provides insulation is a benefit.
“Submarines get mighty cold in the North Atlantic. Anything that provides insulation is a benefit.”
Your response, while technically true, seems a bit nonchalant and insensitive, considering that the German sailors were using socks made from the hair shorn of the soon-to-be exterminated. I doubt that the sailors knew this, I think they would have been shocked to know this.