For an off-duty look, try teaming a tan puffer jacket with black sweatpants — these two items work nicely together. Rev up this whole outfit with white athletic shoes. Keep this ensemble in your front hall wardrobe when warmer days are here, and we guarantee you'll save a ton of time getting dressed on more than one morning. Men who are curious how to rock modern casual style as you progress through your teenage years, this getup should answer your question.