Old Navy takes 40% off sitewide, including sale items, via coupon code GOLDMINE. Plus, the same code bags free shipping on orders of $25 or more. (Otherwise, it adds $7.) That beats our mention from two days ago (when we saw 35% off without the lower free shipping threshold) and is tied as the best flat sitewide discount we've seen from Old Navy so far this year. Several exclusions apply. Deal ends July 4.

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