Easy Grab Lace Lock Made to block snow & cold from getting in while at the same time making sure body heat doesn&rsquo, t escape, our patented* bungee technology is one more way our boots provide protection & warmth. & it&rsquo, s easy to use
- even a child in mittens can securely tighten it without having to tie the cord. 3M&trade, Thinsulate&trade, Insulation Developed by 3M, this innovative microfiber insulation provides a large surface area that traps body heat. & it delivers warmth nearly two times more effectively than down or other synthetic insulations when equal thicknesses are compared. 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.