Simply stated, the Tremont may just be the most attractive and comfortable boots you will ever wear in inclement weather. This all-new boot delivers a stylish look that is exceptionally easy to maintain and clean off mud, salt, or snow. 4mm CR Flex-Foam Warm Fleece Lining Dual Density EVA Insole with Gel Cushion Insert Low Heel Temp rating -30C to 10C CR Flex-Foam adjusts to the unique contours of your foot to create a comfortable and stable foundation while resisting blisters and chafing Material Composition: Other Materials/Other Materials/Other Materials/Other Materials Upper Outer Material: Rubber/Neoprene Lining Material: Warm Fleece Sole Material: Rubber Heel Type: Normal Fitting: Standard Calf Width: Standard Fastening: Slip on Waterproof: Yes