Everything I have is 2" except for the last kilt that Barb made for me, which is 2-1/2". I really like the extra half inch, but there does have to be a good bit of flare for it to work right. It was an experiment, and one that went well, I think.

This is no way affects my feelings about the other kilts I have with a 2" rise, which is fine. I would not want less, though, I don't think. At least not with a traditional fit wool kilt. I am not sure a rise any higher would work for me unless it had a LOT of flare, and then it might look strange, I don't know.