This combo of a long sleeve shirt and a white long sleeve t-shirt is proof that a safe casual ensemble can still look really interesting. A pair of white athletic shoes will effortlessly dial down an all-too-polished look. So as you can see, it's super easy to look stylish and stay cozy when colder days are here, all thanks to combinations like this. This pairing illustrates how to dress with style as you are making it through your teens.