Amazon offers the Dockers Men's Conastoga Engineer Boots in Black or Brown for $39.93 with free shipping. That's $80 off list and a very low price for such Dockers men's work boots. They're waterproof and available in sizes 7 to 12.
Sears offers the DieHard Men's SureTrack Soft Toe Work Boots in Brown Leather for $84.99. Coupon code "JINGLE" drops them to $67.99. With free shipping, that's $37 off list and the lowest total price we could find. They're available in sizes 6 to 13.