Chances are, this question has already been spoiled. It was alluded to a few times that the waterproof membrane that makes up most of the top-end models can be damaged. Instead of adding unnecessary filler to this answer, let’s instead address how you can help to avoid this from happening. First off, with the socks on, you should avoid standing on any sharp objects of any kind (especially if you do not have shoes on). You should also not wear them without shoes, to be honest. This is also why it is essential to look for abrasion-resistant outer layers.