Thorogood Men's 8 in. Waterproof Safety Toe Tactical Side Zip Boot, 804-6190. Be prepared to move with confidence in any direction, on any surface, with the rugged lug, dual density Z-Trac outsole in these black leather and performance air mesh nylon side zip boots. The BBP Waterproof membrane protects you from dangerous fluids, too. A composite safety toe protects from impact. Composite shank gives your arches extra reinforcement. And a removable polyurethane SHOCK ZONE insole means you can save the day without harming your feet.Products manufactured by Thorogood Shoes are free from defects in material and workmanship for a period of one year from the date of purchase.