I would go down a size
I ordered an xl just to make sure the cover was long enough. Yall.... it swallows me! I'm 5'10 and around 200 lbs, this is HUGE. Other than that, I like it
I love this outfit it was very much cute.So it seems to me that the size grid is very much off if you fit a size 16 to 18 you might want to go with the size 2X but this was fabulous
Love it super comfortable and cool, will order more!!