The

Muck Arctic Pro

comes with All the standard MUCK BOOT features plus it has Fleece lining, a Stretch-fit topline binding snugs leg to keep warmth in and cold out, an 8mm CR flex-foam bootie with four-way stretch nylon, 100% waterproof, lightweight and flexible. The Muck Arctic Pro also has Bob-tracker molded outsole is rugged, aggressive and durable for maximum protection and stability. It is Double reinforcements on the instep, heel and achilles areas, with a 2mm thermal foam underlay added to the instep area for additional warmth. EVA molded midsole with contoured footbed, with a Reinforced toe and Added toe protection with a wrap-up bumper. The Muck Arctic Pro has a Comfort range of -60° F to 40°F.