Banana Republic is offering 25% off purchases of $100 or more when you use coupon code: SLICK25 or SUMMER02. A printable coupon is also available for use in stores. Banana Republic, Gap or Old Navy card holders may use the coupon code: EXTRA10 for an additional 10% off. Free Shipping is available on orders $100 or more with the coupon code: SHIP100. [Store Locator].