Muck Boots Arctic Sport Steel Toe High Performance Sport Boots - Men's Black 13. These Winter Shoes & Boots from the innovators at Muck Boots feature a 100percent waterproof design that keeps your feet dry up to -40 degrees. Thanks to a warm fleece lining the Muck Boots Arctic Sport Tall Steel Toe High Performance Sport Boots cushions your feet from the damage of walking running and all-day wear. Take on snow slush and more with these uniquely designed winter boots. Work your very best in extreme conditions with these Muck Boots Arctic Sport Steel Toe Insulated High Performance Sport Boots. Specifications for Muck Boots Arctic Sport Steel Toe High Performance Sport Boots - Men's: Manufacturer: Muck Boots Gender: Male Age Group: Adults Men's Shoe Width: Medium Boot Style: Winter Boot Color: Black Footwear Type: Winter Boots Activity: Winter/Snow Weight: 3 lb Fabric/Material: Rubber Footwear Upper Fabric/Material: Rubber/Neoprene Insole Material: Thermal Foam Water Resistance Level: Waterproof Condition: New Lining Material: Fleece Insulation: Fleece Outsole Material: Slip-Resistant Rugged Midsole Material: EVA Activity/Occasion: Work Features of Muck Boots Arctic Sport Steel Toe High Performance Sport Boots - Men's 100percent Waterproof Warm Fleece Lining 2mm Thermal Foam Under Foot EVA Midsole for Added Comfort Steel Toe Shank ASTM F2413-11 M I/75 C/75 EH Package Contents: Muck Boots Arctic Sport Steel Toe High Performance Sport Boots - Mens Muck Boots ASP-STL-BL-130: Arctic Sport Steel Toe High Performance Sport Boots - Men's Black 13