This was listed on Amazon as a 34E, but it turned out to be a US 34E/UK 34DD. The band runs really tight and I doubt it's because it's a cup smaller than my real size. I can wear it for two hours, max, before it really starts to hurt. Unfortunately, when I received it I was too eager and removed the tags so I didn't even try to exchange it. I needed a sports bra! I would recommend going up a band size and down a cup size.
As far as support is concerned, it's supportive but my breasts still bounce. I also get a uniboob. If you don't want a uniboob, go for a sports bra with underwire.
Updated on Jul 17, 2014 Flag this