Amazingly engineered. When I first put them on (no sox) they fit like an old pair of gloves. I recommend buying them half a size smaller than you normally would since the foot bed has more room than most. I was a little concerned with the price, but Amazon had a shoe sale and I got an extra $25 off which was just enough to get me to pull the trigger - No regrets!

EDIT***
It has been 2 months and I am still thrilled with my purchase. The quality of this shoe is impecable. They are comfortable with or without socks and I have found myself wearing them, over my Ecco Biom Yacks, as day-to-day. I am not a fan of wearing shoes and the SKORA's are the next best thing. I also own Vibram Five Fingers KSO's and Bikila and the SKORA's are by far my favorite shoes for running and every-day-wear. The ONLY complaint I have is that the laces that come with the shoes should be about 4"+ shorter; they tend to drag a bit and I have to double tie them to prevent this...and it JUST helps.