There's no better boot for facing winter's worst than the Kamik Goliath1 cold-weather boot. Frosty-foot fighting features include a fully waterproof TPO molded upper, an adjustable nylon collar and wool lining, plus a removable Zylex liner and insole. Comfort rated for -75 degrees, it's nearly impossible to find an earthly location upon which you would dare not tread in this boot. 100 percent WATERPROOF Insulated Kamik Goliath 1 Boots, ready for adventure in the Great White North! 100 percent waterproof lightweight rubber uppers. 13 mm Zylex moisture-wicking insulated lining. Slick surface-worthy helium rubber outsoles. No doubt about it, when it comes to beating the winter elements, Goliath 1 Boots are monsters.