Sperry's weather-resistant boot styling is famous the world over, which is why we brought you the brand's winter-weather go-to: fully waterproof boots with luxe details. The Ice Bay has a suede-and-leather upper and olive-colored rubber lower that is flannel-lined with 200 grams of Thinsulate™ for added warmth and comfort. Meanwhile, a ceramic lug outsole adds extra extra grip and support, and silver-toned hook-and-eye closures keep your feet dry and warm from toes to ankles.Leather upper.Rubber sole.Import.Select stores.Item M0643.