Colder temperatures have finally arrived in Phoenix. After a rainy and cold weekend, it looks like the desert summer has finally bid the city adieu and fall into winter has settled comfortably into its cacti and creosote milieu. And with these cooler-than-normal mornings and pleasant afternoons, I now have the chance to change up my wardrobe a bit and add some real-winter wardrobe staples to my fashion repertoire.

The sweater -- the fashion equivalent to a warm cup of tea. They are a source of comfort, warmth, and sometimes even whimsy. They can be bold or nerdy, sexy or silly, and most importantly, they can be stylish and affordable. Here's just a small sample of the array of sweaters that run the gambit of styles and purposes.