Socks were invented in the 8th century BC by the ancient Greeks and were typically made from matted animal hair. Since socks were invented they have worked to absorb perspiration and keep feet warm in cold conditions. An invention of the 21st century, Waterproof Socks keep your feet warm and dry thanks to a waterproof breathable membrane that is protected by 2 knit sock layers. Watch the video below for a quick explanation of our waterproof socks or read on. When shopping for the best waterproof socks consider the following before you buy.