I bought a pair cause I needed some new boots ASAP and they were an easy, cheap option but oddly enough, and in contrast to most of the reviews I have read, they have been unbelievably uncomfortable. The rigid ankle support in mine juts out and literally stabs me in the side of the ankle with every step, I wore them for a couple of days hoping they would just wear in and gave up after my leg started bleeding.
Sounds kinda like this:
Except it happened from day 1. Maybe I just have weird feet.