PUMA via eBay offers the PUMA Men's Drift Cat 7 Leather Shoes in Multi Color 1 for $39.99 with free shipping. That is $50 off list and is the lowest price we could find. (PUMA charges $10 more directly.) They're available in select sizes from 7 to 12.
There are lots of things Uncle Sam can't touch — so long as you play by the rules.