Ebay offers Adidas Men's Adifom IIInfinity Mules for $14 (reg $50) with free shipping.

Product Description:
Where all-day comfort meets sporty style you'll find these adidas mules. After a pick-up game or just running errands around town, your feet will appreciate the cushioned bliss of the cloud-soft foam upper and outsole. A small molded 3 Bar Logo signs off on the look.