I just love this bra. It's sturdy, long lasting and flattering to my B cups. I wore it with an attached-brief solid black satin skirt, for a dance number I was in, and we all got to pick our bra colour. It made my B's look almost C's! I got lots of compliments, as I was the only one with black bra too, and the leading dancer. I didn't find it to run small at all- I'm usually an adult medium, and that's what fit me so flatteringly and well. Phenomenal bra.
This bra is a nice full-coverage top, so you can feel confident when performing in it on its own. The under-bust seaming helps to lift the girls up, which I appreciate. The shoulder straps are quite a bit wider than most bras, so be aware of that. Sometimes if I am wearing this bra with a tank top, the bra straps are wider than the tank straps.
I've worn this piece several times per week for about 6 months and some of the stitching is just starting to fray. Not bad!
I am 5'1", 110 lbs., a 32 B cup, short-waisted, and more muscular than your average dancer. I wear a SMALL in most dancewear and this is no exception. I disagree with other reviewers on it running small, but if you have any back fat at all, this is completely not the bra for you; the lower criss-crossed straps would certainly highlight extra flesh in that area!