I bought this shirt as a "big brother" shirt to match the girl's Lottie Christmas dress. Brother is normally a size 10 in boy's clothing, and since the dresses fit pretty true to size, I ordered the 10/12 with confidence. This shirt is slim cut, and probably the size of a 6 in regular clothing. I mean, the gap between buttons and button-holes are at least 2 inches! I am so disappointed, because it was purchased non-refundable, and of course, the larger size 14/16 is not available.