At long last, Mother Nature has graced us with a taste of cooler temperatures. A few days this week have merited the ever-loved light sweater. The thermometers read lower in the morning, temperate in the afternoon and once again cooler at night, making the light sweater your best friend. Of course, this limbo between seasons will soon give way to harsh winter, only to be remedied by the early warmer days of spring. But, if you buy appropriately and layer accordingly, you'll be able to get tons of mileage out of your light sweater. Shop and learn above.