These Boondock men's waterproof work boots feature anti-fatigue technology and 600 grams of Thermolite insulation for warmth. The outsoles are resistant to oils, slips and abrasions, and designed to maximize traction in the cold weather. They have an Anti-Fatigue Technology polyurethane footbed for shock absorption and energy return. They are also breathable and feature moisture-wicking lining with anti-microbial treatment for odor control.