So I went up a size for the white version. It's much more comfortable, but I think the neckline is even worse because it's no longer being stretched out. You can see how it's not lying flat and there are funny bumps sticking up here and there.
The following photos are for those of you who love assessing wrinkles: (I was depending on the good graces of my 9 year old for these detailed photos)...
Above: front shoulder.
Below: view from the back.
I'll still wear these, but will move on to other raglan patterns. Once I get some mental storage space freed I will try drafting my own with instructions from Aldrich's Metric Pattern Cutting for Womenswear.