These shoes run 1-1.5 sizes big.  Order a size down.  If you are between two Keen sizes usually, order 2 sizes down.  I usually wear a size 6 (in Clayton Boot and Newport Sandal), but in these the size 4 was just a BIT too small and the size 5 was just too big.

Not only is the length too big, I have really high arches and I felt like the top of the boot was never going to touch my foot.

There is also not a significant amount of insulation in the boot--only slightly more than the hiking boots I have.

Lastly, the sole/insole of the boot makes you feel like your heel is below your toes.  If you like that kind of thing (there are whole brands devoted to this feeling), then awesome.  If not, you will feel awkward walking until you get used to it.

Needless to say, I did not keep these boots.