We're officially in December, which means winter is well and truly here, and the stylish staff at ASOS HQ are dressing accordingly. On days when the chill cuts deep, you’re going to need a trusty piece of knitwear. So cast visions of novelty sweaters from your mind, because this season we're treating the colder months, well, a bit cooler, and looking to the players bossing their layers to inspire our cold-weather dressing. Take a look...