We designed our heavy-duty Boondock manufacturing boots to provide industrial-grade protection from every angle while tackling slippery and wet job sites. Starting with their 6" tall premium Timberland® waterproof leather uppers, we added internal waterproof membranes to help make them impervious to the wettest conditions and blood-borne pathogens, 400 grams of insulation to help retain heat when the temperature drops, molded rubber toe protectors backed with composite safety toes powered by Carbon Shield™ technology for extra strength, electrical hazard protection, ExoSpine™ technology and fiberglass shanks for lasting structural support, plus Vibram Fire & Ice™ rubber outsoles that maintain their flexibility in freezing temperatures. For all-day comfort, you'll appreciate their.