MUCK BOOT MEN'S MUCKMASTER MID MMM500A 100% Waterproof5mm CR Flex-Foam neoprene liner is 100% waterproof with exceptional comfort, flexibility, shock absorption and heat retention properties; adjusts to the contours of your foot to resist blisters and chafing2mm thermal foam under the footbed for extra warmthBreathable mesh lining wicks away humidity and perspiration, allowing air to travel throughout the bootExtended rubber overlay for extra protectionStretch-fit comfort topline binding snugs calf to keep warmth in and cold & debris outLightweight EVA midsole for comfortMS1 bobbed molded outsole reduces weight and improves stability for climbing and trekkingReflective pull-tab for easy on and offEstimated height: 32cm/ 12.6"Estimated max calf circumference: 41cm/ 16.1"Comfort Range: -20°F to 50°F / -30°C to 10°C
