Virtual Exchanges via eBay offers the Ryka Women's Relief Mary Jane Toning Shoes
in White/Blue (pictured), Taupe, or Grey for $17.99
with free shipping
. That's tied with our May mention and the lowest total price we've seen. (It's also a current low by $15, excluding the mention below.) They're available in regular and wide widths in sizes 6 to 11, although not in all size/width/color combinations.
A close price: Tanga
offers them in the same colors for $19.99 with free shipping.