The “Polaris" is a three layer insole that will efficiently keep your feet warm and comfortable. The aluminum foil undersurface protects against ground dampness and cold. The upper surface of fleece wool provides warmth and keeps feet dry. In between a layer of insulating latex foam prevents heat loss while assuring comfort. Anti-bacterial treatment guarantees long lasting hygiene. 100% Wool Prevents heat loss Protests against ground dampness and cold Keeps feet warm Non-refundable Imported