This time of year it often seems as if nature can't make up its mind. Warm afternoons quickly turn to chilly evenings, and what was a perfect outfit just a few hours earlier could leave you shivering by nightfall. Luckily, our selection of pullovers are perfectly suited to solve this fashion conundrum. When the temperature dips, just slip one on and your outfit will change as quickly as the weather. Autumn is just easier with these must-have transition pieces.