You'll be amazed at how easy it is for any man to throw together this effortlessly classic outfit. Just a sweater vest and a white crew-neck t-shirt. Feeling experimental today? Change things up a bit with a pair of black leather chelsea boots. Picking out a pulled together getup can be challenging on its own. Add cold temps into the equation, and the whole thing becomes even more difficult. Don't despair, this here is your winter inspo. Guys wondering how to stay stylish in your thirties, you have your answer.