Ebay offers Adidas Men's Supernova Rise Running Shoes for $49 (reg $140) with free shipping.

Product Description:
We've designed the Supernova Rise to deliver maximum comfort in every stride. Our Dreamstrike+ technology cushions the midsole with re-engineered super foam. What makes it so super, you ask? It offers the ideal balance of comfort and support to keep you comfy mile after mile. Additionally you will get a system of denser foam Support Rods which means in the real world worry-free transition from heel to toe. Finally, our Comfort Heel Fit combines cushy foam and soft textile for a more secure fit so that it feels like the shoe is giving your heel a hug.