Updated with outsole and subtle styling changes, the Muck Boot® Men's Muckster II Low shoe is up for anything. Whether you're going on a hunting trip, heading home from a long day on the job, or handling yardwork, the Muckster II Low slips on easily and provides waterproof, insulated protection when you need it. The rubber uppers ward off water to keep feet dry, while the 4mm CR Flex-Foam keeps feet warm down to 0⪚F. FEATURES: 4mm CR Flex-Foam insulation retains heat and keeps feet warm Breathable Airmesh™ lining keeps feet cool and dry Comfort topline High-traction rubber outsole lends aggressive grip Comfort range: 0°F to 65& WARRANTY: All Rocky® products have one-year limited warranty in normal use, against any manufacturing flaw(s), defective materials or workmanship. The warranty also covers GORE-TEX® bootie liners against leakage for one year. Products with all other waterproof construction are guaranteed waterproof for six months from the date of purchase.