I would size up just for the comfort and look. I am a 6-8 and I bought the 10 and so glad I did. Super comfy, great material but not warm.
Rated 5 out of 5
Rated 4 out of 5
Rated -1 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Large