The Arctic Excursion Ankle Boot is perfect for cold days when the snow is not too deep but the conditions are muddy, slushy or wet. Upper: Full Rubber Insulation: 5mm of Neoprene Lining: Warm Fleece Sockliner Midsole: Lightweight & Shock Absorbing EVA Outsole: Rubber Pod EVA for comfort and fatigue reduction Shaft Circumference: 14in Boot Height: 8.78in Muck Boot Company Men's Arctic Excursion Ankle Boot - Black