Crocs takes 20% off kids' footwear via coupon code "BTSKIDS". It also stacks with sale items, which are already marked up to 50% off. Even better, coupon code "SHIP10" bags free shipping on orders over $10. That's tied with our mention from three weeks ago (although that coupon was sitewide) as the best coupon discount we've seen from Crocs in recent months. (For further comparison, we saw 25% off sitewide with free shipping in June.) Deal ends September 1. Some best bets, with prices and free shipping after the above coupons: