Shoes.com takes up to 75% off sitewide during its Memorial Day Sale. Even better, take an extra 25% off select items via coupon code "MEMORIALDAY17". Plus, all orders receive free shipping. Some exclusions apply. A couple of best bets, with prices after coupon:
Sierra Trading Post offers the Keen Men's Versatrail Low Hiking Shoes in Midnight Navy/Warm Olive or Everglade/Jasmine Green for $49.99 plus $7.95 for shipping. That's tied with last week's mention and the lowest price we could find by $10. They're available in select sizes 7 to 8.5 11.5.