Ebay offers Adidas Men's Grind Polo Shirt for $10.40 (reg $30) after code with free shipping.

Apply Code: ADI50SALE

Product Description:
After clocking hours at the gym, trade your workout clothes for this polo shirt and step out in sport-inspired style. The clean look of this shirt features a loose shape for added comfort. Moisture-wicking fabric sweeps away sweat to help keep you dry throughout your day.