Banana Republic: 40% off of your Entire Purchase This post may contain affiliate links. Please see my full disclosure policy for details. November 26, 2010 26 Nov Pin0Share0TweetGoogle+0shares Banana Republic is offering 40% off sitewide today – until 12 pm EST. Use the code BR40FRIDAY. After noon, you can still save 25% off of your purchase with the code BRTHANKS.