Rubber sole >>Keep Warm : Fine fluffy wool covers the inside of the winter boots that keeps your warm, dry enough and offer cozy experience on your feet the boots wrap your feet in warmth like a toasty quilt in cold winter. >>Skid-Resistance: crafted with durable and rigid rubber sole in addition to notch on the bottom for a no-slip solid grip ,they offer you a stable support when you are striding on any humid surfaces without the fear of dropping off. >>Waterproof & Easily Wear: The upper of the snow boots is made of water resistant material so that it is uneasy for water/snow to permeate into the shoes, keeping your feet dry and comfortable.Elastic bands are attached to the sides of the snow boots to help you to put them on and off. >>Occasinos: Indoor & Outdoor activities in cold winter, Daily walking with your dog, Working,Parting,or Playing with children, keep your outlooking energetic in cold days. >>Note: There is a size chart on Product description. Please see the Size Reference to find the correct size, rather than Amazon Women’s Shoe Sizing Chart.