If you are needing extra warmth in your boots, our Insulated Meindl Kootenai boot fits the bill. The German made Meindl boot has 400 grams of thinsulate insulation and a very supportive upper that provides excellent leg support and stability on steep terrain. A removable insole adds cushion to your every step. The unique upper design has a minimal amount of stitching. A removable calk sole is added for good traction and long wear. Easy to break in, the Meindl Calk Boot is ideal for those looking for a comfortable calk boot with a waterproof liner. This boot is not guaranteed to be waterproof.