Though this is my second pair, I didn't know these babies came in 2E width until discovering them on Amazon. And my 4E feet never felt more comfortable in hiking boots!  My first pair, a very generous medium width size, purchased a couple years ago at a local sporting goods store, worked fine because I wore thinner socks.  Because I can now wear thicker, more cushiony socks, there's no problem wearing these boots all day.  Folks with really wide feet will find these boots a dream.