Review on Allegra Women's Classic Collar Sleeve Clothing, Coats, Jackets, and Vests for Women by Dawn Rodrigues

So I really like this coat. But. I followed the reviews and ordered Small. I'm 5'5 and weigh about 115 lbs. In the photo, I'm only wearing a thin pajama shirt under a jacket, and it fits just right. Anything thicker and it will be too tight. So I had to take the medium. However, it is so cute, especially for my size, that I leave it on and hope I don't gain an ounce. If so, do I have to sell it? It's really beautiful and high quality. I forgot to put on my photo belt.