I believe the cups are too close together and/or too narrow. I also think the band is too big (see
If your cup size is AA to D in band sizes 28 to 36 and you're in the market for a good push up bra, I definitely recommend Sascha from the Little
How to get the right size bra - Quora
What Underwear Do You Wear?
What Underwear Do You Wear?
Is Your Bra Cup Size Too Big but the Band Fits? Here's What To Do - Importance Of Sister Sizing
Petite Friendly Bra, 28C 28D Bras
Wireless nursing bralette designed for those with smaller frames paired with full busts (U.S. DD+ cups).Soft modal fabric paired with our signature
Ceylon Modal Curvy Nursing Bralette
How Should A Bra Fit? How to Tell if It's Too Big
What is the meaning of letters 'B', 'C' etc., in women bra sizes? - Quora
Cosabella Free Cut Micro Super Curvy Bralette
Cosabella, Sicilia Curvy Longline Bra
Cosabella, Puglia Curvy Bralette
EPBOT: Everything You Never Knew You Needed To Know About Bras
fit check] - 44I - still too big in the cup and now too small in the band? : r/ABraThatFits