When storing your bras, be sure to keep the cups facing upright and to stack them one on top of the other. Never invert the cups and be sure to keep them wrinkle-free.
Follow The Wife has bra storage tips on her blog that you should check out!
I have a lot of bras. Truthfully, I wear two or three of them all the time—a seamless nude bra and a padded black push-up are my everyday staples. But I can never say no to a pretty bra. Therefore, I have lots of pretty bras all crumpled a drawer. Additionally, last summer I went through a bright bra phase and now I have lots of bright bras crumpled in the drawer, too. Typing that made me cringe a little bit. My bras—pretty, bright or basic—should not be crumpled anywhere!
Read it here: http://followthewife.blogspot.com/2012/03/proper-bra-storage.html