Pairing a black parka with black sweatpants is an amazing pick for a casual outfit. Complement your ensemble with grey athletic shoes to tie your full getup together. In winter, when warmth is crucial, it can be easy to settle for a less-than-stylish outfit. But this outfit is a clear example that you totally can stay snug and remain stylish in winter. This pairing demonstrates how 20-year-old gents succeed in the fashion department.