Men's Work & Safety Boots at Amazon $100 or less + free shipping

As one of its daily deals, Amazon discounts a selection of men's work and safety boots to $100 or less. Plus, all are eligible for free shipping. Deal ends today. A couple of best bets:

• Caterpillar Men's Second Shift Steel Toe Work Boots for $46.99 (pictured, low by $28)
• Wolverine Men's Hudson Work Boots in Brown/Black for $47.99 (low by $16)