Description Versatile, made of natural rubber that is manure resistant, the Prairie will certainly please to farmers, fisherman, hunters, maple sugar producer, etc. This totally waterproof boot features a removable triple density insulation liner with stabilizer arch. It possesses a large calf space that makes it very comfortable. It can be worn during freezing cold condition, since it offers a -60°F comfort zone. Waterproof natural rubber upper. Removable triple density insulation liner. Adherent natural rubber outsole. Large calves space.