Waterproof Nylon Upper Dri Defense Waterproof Bootie Construction Soft Fleece Snow Collar Fixed Foam & Fleece Lining Waterproof Gusset Tongue Removable Kamik Comfort EVA Insole Kamik&rsquo, s CITY Winter Tread Rubber Outsole Height 9 Inch (22, 9cm) / Weight 1.90 lbs (862g) (per pair) Dri Defense Using a unique design that encapsulates the foot, Kamik&rsquo, s Dri Defense is a proprietary bootie membrane that is completely waterproof & blocks any moisture from getting into the boot.