Definitely runs small
I ordered the 3x even though I am recently down to 2x. I wanted to have some flexibility and in case it ran small. I feel it does run small as it is very tight (and reveals too much of the 2x/3x that is me). I like the look and feel and am anxious to be able to wear it.
Rated -2 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is Perfect Fit and 2 is Runs Big
Rated 4 out of 5
Rated 3 out of 5