Received the NE wheat donegal overshirt today. I sized down to M from my usual EP shirt size of L, and I think the fit is fine. The shoulders are probably a tad wide, but I guess that's fine for this type of outerwear. Should be a good layering piece in the winter.
Wearing it over the full EP kit today: Gitman EFF shirt, western print CXL belt, speckled duck canvas Rivets.
Just got mine too. Kicks Ass. Went with my normal XL size and fit is perfect for an overshirt.