Ebay offers adidas men Adifom IIInfinity Slides for $14 (reg. $45) free shipping with Amazon Prime. 

Product Description:
The Adifom Iiinfinity infuses 2000s-era design DNA into a modern foam slide that's perfect for post-play or post-workout relaxation. The molded foam upper has a matte finish and a sleek, futuristic shape, with a hands-free entry you can just slip right into. Whether they're in your gym bag or your daily rotation, these slides put a cloud-like sensation beneath your feet.