5' 10" 34dd 28.5 waist, broad shoulders and I bought the 6T. If your chest is bell shaped, fuller at the bottom than the top, this may not work for you. The sleeves are shorter than my other BR 6T blouses. I would say it fits more like a 4T.

Comments about Cotton Poplin Balloon-Sleeve Shirt

Loved the fit. Runs. Runs small. Inusually wesr X-Small and bought it in size 2.