Cabela's offers its Hi-Tec Men's Altitude Waterproof Steel-Toe Hikers in Dark Brown (pictured) for $19.99. Shipping adds $5.95, or opt for free ship-to-store. That's $80 off and easily the lowest total price we could find. Sales tax is added where applicable. They're available in most sizes from 7.5 to 14.
Update: More Hi-Tech Men's Hikers from Cabela's, each at large price lows: