I thought this looked a tight fit, so ordered M, but it was a bit loose around the neck and back edging, I'm usually S or XS, went for S, it's perfect. Interestingly the M was a bit short in length, the S was a better length, a bit longer, probably because it fit better, I was worried it might be a bit short as so many tops are now cropped, which is not my look. The side panel design is stunning

I honestly love this top and got it to match a pair of sweets I've had for a minute and couldn't find something to go with it perfectly. The Only thing that throws me off are the flames, lol... but this color was so difficult to find and I adore the style of the shirt that it was worth the sacrifice!