Street-Moda via eBay offers the Moda Essentials Men's Revenant Slip-On Loafers in 13 8 colors (Black pictured) for $21.99 with free shipping. That's $28 off list and the lowest total price we could find. They're available in sizes 7.5 8 to 13, although not in all size/color combinations.

Update: The price has increased to $24.99.