[nostatic]

Originally Posted by RLetson

I suppose one could take all the measurements, but profile is more complex than the others--it's a matter not only of curvature but of the way it changes along the length of the neck. So the surest way to tell whether a neck is thoroughly comfortable is hands-on.

^^^ and I'll add that sometimes it is hands-on for a somewhat extended period of time. I've had necks that felt great out of the box, but over time (sometimes hours, sometimes days) gave me issues. Can end up being expensive experimentation and some folks can play anything. But many of us beyond a certain age find that the hand and fingers just ain't like they used to be...