I am not sure if this is a bug, but I will post is here with hopes of being redirected to the right place. I have noticed on a lot shoulder armor (mostly medium) tend to be floating distressingly far away from my character’s actual shoulders.
One notable exception to this is the Citadel of Eternity medium armor set. Admittedly I have one of the skinnier body types for the Charr, but the CoE medium armor is nicely placed.
I have attached a screenshot as an example:
