Step into the Muck Boots(R) Men's Chore Extended Fit steel toe work boots for rugged performance in demanding conditions. These Wellington-style rubber boots feature a gusset that adjusts up to 5 inches to accommodate wider calves and still provide the same waterproof protection, flexibility and durability as the Chore Classic. WEATHER-READY PERFORMANCE: Waterproof construction DESIGN: Flexible 5mm neoprene bootie Adjustable waterproof gusset widens as much as 5 inches for a custom fit Air mesh lining for breathability Reinforced arch support Steel shank for structural support DURABILITY & TRACTION: Rubber overlay provide durability and is easy to clean Triple toe reinforcement for toe protection and durable wear Quadruple rubber heel reinforcement Quick-cleaning outsole ADDITIONAL DETAILS: Comfort rating: Sub-freezing to 65degF Best uses: Farming, construction Warranty: The Original Muck Boot Company(R), a Honeywell Company, warrants to the original end customer, that its footwear will be free from defects in materials and workmanship for a period of one year from the date of purchase by the original end customer.