My ribcage is around 33 inches and I wear a 38DD. I have found a fantastic sports bar that allows me to jog without the painful bounce of other sport bras. It's made by Champion sportswear and cost is about 32 bucks if I remember correctly. I purchased mine at Dillard's department store.

They come in grey, black and white. The style/model number is 144, not sure what if any they named it. So you may want to give that a try. I have tried others and they have too much give. This one seems to support throughout the bust and has underwire support.