Crocs: Buy One Get One Sale, Extra 36% off and Free Shipping

35_1_lightblueCrocs is having a buy one get one sale on some of their outlet models.  I saw shows for as liitle as two for $17.99.  BUT, you can get an additional 36% off when you stack the codes MYCOUP20 and CROCSHOLIDAY.  Plus shipping is free when you choose economy shipping.