I first ordered this bra in a 30 D, my normal size, which was way too small, then returned it in a 32 DD. The 32 DD fit a little better but it has too much coverage at the top, causing it to cut into my boobs resulting in a weird bump that is very visible in clothes. It probably depends on your breast shape but for me it needed to have a more open cup at the top so as to not create that bump. Otherwise the material was nice and it would have stayed up perfectly.