"The reason I believe the coat is too small is because it's tight in the shoulders and restricts a lot of movement with my arms. It also poofs out a bit in the chest area when I have it buttoned."
You've answered your own question.
At my local Norstroms I am not aware that there are any "stylists",
just not very knowledgeable employees. As for Ted Baker, from the website
and the pricepoint, it looks like faddish junk.