Ebay offers Adidas Men's Response Super Shoes for $41 (reg $90) after code with free shipping.

Apply Code: ADI50SALE

Product Description:
At the end of the day, what's 20 more seconds? Push yourself to go a little farther than yesterday in these adidas running shoes. Spring through every step with the energy-returning Boost cushioning and let yourself fly. Lacing up and getting out was the right call.