Sorry, but i disagree with a previous reviewer who wrote that this buttondown is sheer and runs large. as for sizing, i purchased my usual size small. the fit is intended to be a bit slouchy, and it fits perfectly through the shoulders and the bust. love the high/low hemline, and the back isn't too tight across my bum. i'll also note that i'm 57 years of age and might tend to be a little more modest when it comes to sheer fabrics. the see-through factor is not an issue with this buttondown. i'm