Muck Boot Men's Artic Pro in Bark.

• 100% Waterproof
• 8mm CR Flex-Foam neoprene liner, 100% waterproof with exceptional comfort, flexibility, shock absorption and heat retention properties; adjusts to the contours of your foot to resist blisters and chafing
• Fleece lining for additional warmth
• Stretch-fit comfort topline binding snugs calf to keep warmth in and cold & debris out
• 2mm thermal foam under the footbed for extra warmth
• Lightweight, cushioned EVA midsole for added comfort
• Bob-Tracker molded outsole is rugged, aggressive and durable for maximum protection and stability; semi spherical lugs provide traction on loose surfaces without being gummed up by debris
• Estimated height: 43cm/ 17"
• Estimated max calf circumference: 42cm/ 16.7"
• Comfort Range: -60°F to 30°F / -50°C to -1°C
• Style: ACP998K