The holiday season puts us in a festive mood and wearing a beautiful Christmas sweater can add even more happiness. The most popular Christmas sweaters have feature all the snow and sparkle of the season with bright graphics and chunky knit material for warmth. Animal sweaters are also very trendy this year and often feature a dog or reindeer dressed up in Christmas attire. For a goth twist, wear a sweater with a skull decked out in a Santa hat. With so many options, it should be easy to find a Christmas sweater to express your style and keep you cozy all season long.