Men's Korkers Neo Flex Thermo - Black All-winter utility for ice, muck, rain, snow or just being dang comfy. Most winter rubber boots are made with a hard rubber midsole, which leads to discomfort and pain after a long day crunching through the snow. Our Neo Flex Thermo™ winter boots are constructed using crazy comfortable Cush-Tech EVA which provides shock absorption and rejuvenating energy with every step. All-day comfort along with cozy fleece and waterproof protection make this the ultimate winter boot. DETAILS: TRACTION // Non-Marking Kling-On Grip™ rubber outsole delivers incredible grip on dry and wet surfaces. WATERPROOF // 6 inches of 100% waterproof vulcanized rubber construction keeps feet bone dry. INSULATION // 3.5 neoprene combined with our warm and cozy fleece lining, provide slipper-like warmth and comfort. COMFORT // Cush-Tech premium EVA midsole offers uber-cushy underfoot comfort and support. ON/OFF // Stretch neoprene cuff allows for easy slip-on, while the enhanced heel-kick feature allows for easy, hands-free removal. TEMP RATING // Comfort rated down to -20 Degrees Fahrenheit.