I walk in Trail shoes unless deep snow so over the years I have tried a Goretex inner, Otter, Sealskin and Tefaneso waterproof socks.
It does matter a bit regarding the conditions e.g to avoid an hours dew in a morning to deluges. Sealskins did not do it for me; kept my feet fairly dry but cold with some moisture probably from within. Same with Sealskin gloves you have to start off dry and warm but were cold for me.
For the general chance of rain I use the Otter socks; if it is going to be wet for a days I go with the Tefaneso socks,expensive and thicker. The thin Goretex liners had a seam in the instep which was uncomfortable. People in the US swear by Rocky socks but they are difficult to obtain.
Water proof socks are thicker and shoe size affected so beware of that matter. Otter socks are more like a regular sock and could be used as bed sock.