Gap cuts an extra 20% off sitewide via coupon code "HAPPY". That even stacks with its Labor Day Sale, which cuts up to 40% off sitewide.Plus, you'll earn $25 in Gap Cash when you spend $50 or more, $50 with $100, $75 with $150, $100 with $200, or $125 with $250 or more. (Gap Cash must be spent between September 10 and September 14.) Shipping adds $7, but orders of $50 or more (before the discount) qualify for free shipping. Some exclusions apply. Deal ends August 30.

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