Tried this on in the "onsie" area of retailer store. i usually am between a medium and a large. the medium fit fine. the material in this top is substantial - very thick and soft but it is very thick as a warning. more for a pretty cool spring evening vs the heat of the summer in chicago. not sure how much the material would stretch out either. as it seems like it could be the type. also, it is dry clean only, and on such a casual top, that is a real deal killer for me. 

regarding the style of