Product details:

The warmest Muck Boot you can find, the steel-toed Arctic Pro knee-high helps keep your feet and lower legs dry and toasty in severe cold weather and extreme working conditions. In addition to the extra-thick 8mm inner lining of self-insulating, waterproof CR Flex-foam, there's a fleece lining, plus 2mm insulating foam under the contoured footbed. The calf-hugging top helps keep snow and freezing air out and warmth in. These waterproof boots are constructed with hand-layered natural rubber on a high-performance neoprene shell. They have a removable EVA molded insole and a super-aggressive Bob-Tracker outsole made of high-abrasion natural rubber. Combining bouyancy with protection and long-lasting flexibility, these boots are popular workwear at Antarctic stations and with Alaskan and Canadian ice fishermen, hunters, and others who spend long hours in the cold and wet.