Go for something classic yet trendy in a black turtleneck and black skinny pants. Why not take a more casual approach with footwear and introduce navy athletic shoes to the equation? During the colder months, when warmth is imperative, it can be easy to surrender to a less-than-stylish outfit in the name of functionality. But this outfit is a striking example that you totally can stay toasty and remain absolutely stylish in the colder months.