As all plunges that I've tried lately, my soft tissue falls out the middle. I stitched the gore together to turn the cups a bit so they hold a little better, but it's still not perfect. For some reason, I get way better lift out of this than any of my unlined, better fitting bras. Would work for someone who wants a molded tshirt bra, wide wires, and has firmer breast tissue.
This is a pretty comfortable bra and my first purchase in the search for a bra that actually fits. The gore mostly tacks, but as my breasts are somewhat close set the separate under wire ends occasionally fight for dominance. I find there is a little wrinkling on the top of the cup when I'm seated. I'm not sure what that means as I am kind of a bra fitting n00b. Due to a really intense piece of side boning (it's at least half an inch wide) the band doesn't roll from the excess soft tissue I carry. Stretches out after two wears but bounces back after a wash.
It's comfy enough but there's something wonky with the gore and I was stupid and listened to the lady at the Lane Bryant that there's nothing wrong with having a gore that doesn't tack. It's also cute, which is nice.