I'm a 36D. While there is still some motion with this bra, it's nowhere near what I experience with other bras (even doubling up!). It fits like a charm, and the options for fit (shortening straps, tightening band) are great! Some people say it's hard to get into these bras, but I don't think so at all! If your shoulders are tight, and the top clasp is difficult, it's totally possible to do the top clasp first, then pull the bra over, and then do the bottom clasp.

I love it!