The mid-height Arctic Weekends are perfect for extreme cold weather. The fleece lining keeps toes warm and dry during any outdoor activity. Lightweight EVA midsole and durable rubber outsole are a perfect combination. Lightweight wellies EVA Contoured Molded Midsole. 4mm CR Flex-Foam. Light Gripping Rubber Outsole. Warm Fleece Lining. CR Flex-Foam adjusts to the unique contours of your foot to create a comfortable and stable foundation while resisting blisters and chafing. Upper: Rubber/Neoprene; Lining: Warm Fleece; Sole: Rubber. Care Instructions: Clean with cold water, and use rubber boot care. Heel Height: 3.0 cm. Fastening: Slip On. Material Composition: Other Materials/Other Materials/Other Materials. Polishing will help prolong life and will assist removing unwanted marks, scuffs and scrapes.