At adidas via eBay, buy one select item and get 50% off a second one of equal or lesser value. Plus, take an extra 15% off purchases of $50 or more via coupon code "PMEMDAY". Even better, these orders receive free shipping. Deal ends May 25. A couple of best bets, with prices before discounts: adidas Men's Questar Ride Shoes from $49.99 (pictured) adidas Women's Courtset Shoes for $29.99