Originally Posted by TheDude
I'm not a girl, but...
But DD is the biggest and AA is the smallest and in between them you have A B C and D
The number is the number of inches around the bust...
And the letter is the size of the cup
My friend explained this to me once, don't ask why...
Right. So if the bra size is 34C, then around the bust is 38 inches, and under the breasts (underbust) measurement is 34. The cup size is determined by the difference between these two measurements.
I got that info from Wikipedia