These women's Under Armour Atlantic Dune Sandals in three colors drop from $21.99 to $11 and then to $8.25 with coupon code GIVE25 during checkout at UnderArmour.com. Plus order by 11 a.m. ET on 12/21 and you will get free shipping by Christmas! This is the best price we could find by at least $4, depending on chosen color. They feature a cushioned footbed and quick-drying construction. They come in three colors at this price and in several other colors priced up to $19. Check out the men's version for $13 as well. The coupon code takes 25% off any Outlet Item as well. Sales tax is charged in most states.