Sorel 'Caribou' uggs on sale have been around since 1972 for a few very good reasons, including the fact that they have a classic snow boot style, and they're designed to do wonders towards keeping your feet warm. Temperature rated to -40 degrees F, this wool version of Sorel's popular 'Caribou' boots feature seam-sealed waterproof leather uppers, knit wool cuffs, removable wool inner boots, and outsoles designed for extra traction.
Columbia 'Bugathermo' - Snow Boots with Temperature Settings
I had to read the description of these ugg boots on sale twice to believe it, but in addition to sporty good looks and loads of weather- and temperature-protective features, these sporty boots feature electronic controls that allow you to choose from three temperature settings. With built-in rechargeable batteries, these boots come with an AC charger, and provide heat for 3-8 hours, depending on the setting you choose.