Here's what other sites are saying:
Hit the trails on the most frigid days of winter in your Alpina Alaska Heat Boots. This Nordic touring boot puts up a serious defense against Mother Nature with Thinsulate insulation and an InTemp heat system that is capable of warming your feet for up to six hours with just the push of a button. The Alpitex membrane is waterproof and breathable, and the leather upper is tough and durable for all your backcountry adventures.
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