Our AuthenTEC Waterproof System is inspired by pine pitch and spruce gum, the traditional waterproofing materials used by our ancestors. The Waterproof Snowy Owl is made with waterproof suede and is sealed 4" from the bottom. It is sheepskin lined in the foot bed (like all of our mukluks) and is rated to -32C. The 'mukluk' is an Aboriginal word for 'winter boot'. Our ancestors created them thousands of years ago out of natural hides and fur in order to survive in the coldest places in Canada. This Snowy Owl Mukluk is based on our most iconic mukluk style and has been passed down to us from generation to generation. Now as a contemporary M�tis company, we continue the tradition by combining modern techniques and materials to make functional mukluks for urban environments. The sole was made in partnership between Vibram and an Aboriginal artist.