Workwear Savings offers the Wolverine Men's Marquette 6" Steel Toe Work Boots in Brown for $74.99. Coupon code "SH1334" bags free shipping. That's $5 under last week's mention and the lowest total price we could find now, also by $5. They're available in most sizes from 8 to 14.
Of note, they also offer the non-steel toe style for $69.99 with free shipping via the above coupon.