I usually wear a 32DDD, but the 32DD fit perfectly in this model. My underbust is just about 30", but I'm not very fatty or muscular there, so the 32 band felt firm on the loosest hook. The cups come up pretty high, and I don't spill out. There's a bit of elastic under the arms which helps prevent gapping where the cup joins the strap. The straps are close together enough to (mostly) stay on my narrow shoulders, which is a rarity. The lace shows under thin clothes, but the good shape and great support overcome the drawbacks.
I love this bra! It gives great shape and it's so comfortable. The fact that there are no padded cups is amazing because (living in South America) padded cups just get too hot. I've been wearing this bra for years now. I recently ordered more from Canada in my normal size, but as you can see, it's a bit small. This isn't surprising to me because I gain weight first in my breasts and during the pandemic, I've definitely gained some weight. Even thought the cups are a small, they're not uncomfortable. From experience, I know that the lace has some give, so soon enough the top of the cups won't be cutting in. My last two bras have lasted over 3 years of non-stop wear (and being washed in the machine) with no problems- just a little stretching, as expected. I still keep them at work to change into when I bike in. I will keep ordering these, but next time I'll pay more attention to my current size https://d28qt14g3opchh.cloudfront.net/smileys/icon_smile.gif" alt=":)" />