Forever 21 ‘Ugly Holiday Sweater The holiday season is all about giving back — and attending ugly sweater parties, of course. While some live for the chance to don festive evening wear to holiday soirées, many see December as the start of ugly sweater season, and Forever 21's ugly holiday sweaters are some of the best on the market. Plus, the retailer is donating to charity for every single sweater purchased, so whether you want a classic, stylish, or punny fit, shopping Forever 21's lineup is t Parties, Jumpers, Wardrobes, Ugly Holiday Sweater, Holiday Sweater, Holiday Sweaters, Ugly Sweater Party, Sweater Season, Ugly Sweater