The Arctic Adventure boots are soft, supple, and slimming. Rated to minus 30 degrees, they are warm enough for the coldest winter day. These boots use a true women's last to create an excellent fit that looks and feels great. They are lightweight wellies with a tall, slimming look and a warm fleece lining. The construction features 4mm CR-Flex-Foam and an EVA Midsole for added comfort. CR-Flex-Foam adjusts to the unique contours of your foot to create a comfortable and stable foundation while resisting blisters and chafing. Upper is made of Neoprene, lining is warm Fleece, and the sole is Rubber. Care Instructions: Clean with cold water, and use rubber boot care. Heel Height: 2.5 cm.