Uber Comfortable. There's a lot of options for socks and underwear online you won't find in stores. Pair of Thieves gear is well made, breathes great and is incredibly comfortable. I dig the style as well. I was reminded to write a review as I was wearing another brand of socks today which are what I call "quitters" - socks that don't stay put, and that never happens with my Pair of Thieves socks, some of which are at least 4 years old. Definitely a 5-star brand, 2 big toes way up!