As others have said, theres actually room for my 36DD chest in the XL. Ordered the XXL also, but it was way too big. I love the extra button across the best which eliminates the blouses gapping open. This fits well on shoulders and rib cage, and flares out a bit at the hips. I usually wear a L or Chicos 2 in shirts, so did size up for this shirt. Beautiful no-iron, stretchy fabric.