I've always had the same issue with them, no matter the brand. And I've been buying them in various shops/countries/styles for 15+ years now.
The ALL seem to ride to low/have overly long straps, and expose the top of my bras.
Is it just me?! Am I freakishly built?!
It's just so annoying, because they're a wardrobe staple and I really need to wear layers! I have rather large boobs, so without vests it's impossible to wear v-necks or wrap dresses.
/rant over