For an off-duty ensemble, opt for a dark green parka and jeans — these pieces go nicely together. If you want to break out of the mold a little, throw brown desert boots in the mix. Figuring out a killer look can be a bit daunting on its own. Enter extra cold temperatures into the equation, and the whole thing becomes even more difficult. Don't despair, this here is your wintry inspo. Gentlemen who are curious how to rock cool casual style in your twenties, this combo should answer your question.