I was wearing the wrong size bra, a 34DD, it was uncomfortable and I felt it just didn't fit right. I went to Macy's and Nordstroms and got fitted at both places. They both put me in a 32G! Yes the bras are expensive $68. but they are the most comfortable things I've ever worn, I look great and feel good. The other cheaper stores apparently didn't carry my size so they increased the band size and decreased the cup size. I've just learned that is called a "sister size". I call it the wrong size. So you might want to get fitted before you decided to sew your own to issue it will fit. I always wash my bras by hand and hang them to dry so they do last a long time.