Not only Ugg Australia are favourite comfy boots for cold chilly weather but also another sheepskin boots like famous brand Emu Australia. Here you can see pictures of some celebs in those cute shoes. I also am a fan of those shoes. I have Ugg and Emu and another brands of sheepskin boots. The only one cons about Emu are that they are little loose near ancle , they not have a 'grip'. Ugg are better shaped in the ancle part of the shoe.
Here are pictures: