If find it depends on the quality of the item. Some labels like to save money by using less fabric which means smaller fits. I wish we could buy clothes the way men do - by actual measurements instead of these ridiculous sizes.
Small, Medium, Large, Extra Large and Extra Extra Large are not measurements.

It's hard getting used to..haven't figured out how to stear the ships yet..and I want to be Voyager but can only be the Enterprise vessels..dammit! But I get to battle wth Voyager in the Borg attack.