adidas via eBay offers the adidas Women's N-5923 Shoes in several colors (Grey/Ash Green pictured) for $41.99. In-cart the price falls to $33.59. With free shipping, that's the lowest price we could find by $14. They're available in select sizes 6 to 11.
There are lots of things Uncle Sam can't touch — so long as you play by the rules.