I was afraid that the mesh on my back would crash and did not want a too tight top, and ordered L. As a result, it is huge on my og 90 and pg 78. My chest is small, but a large chest, a wide back. The elastic from below on me literally hung, and the cups are large. The color is strange and complex-some washed blue with a green undertone. Quality is good. I came in three weeks at the picpoint. I returned the money on a convenient return, today they returned the money.