6PM.com has a number of various boots on sale for 70% off, including Emu (my favorite!) from $21, Sorel from $25, Patagonia from $25, North Face from $25 and Keen from $32 + get Free standard shipping on all orders!
Head over and use the search field to find the brand you are interested in, then cash in on this sweet deal! Sizes are selling out quickly, so grab them quick!