Available in most Kamik boots, this three-layer system works hard to keep you warm and dry. The initial layer of this lining is a moisture-wicking polyester felt that keeps your feet dry by assisting in the transfer of moisture the outer layers, where it can evaporate. A second identical layer aids in the drying process while additionally trapping warmth. The third layer is made up of a thermal foil material which works excellent as an insulator and additional barrier to cold temps.