https://www.gapgiveandget.com/np/tfa.html ~5% of what you spend goes towards Teach for America.
I don't know if anyone else reads Kelly's Korner. She had a wonderful post about "how to dress for less in the recession." You can check it out on her blog https://www.kellyskornerblog.com/
Her blog is great too!
Re: 30% off total purchase at Gap, BR, OldNavy