For something on the relaxed side, consider this combo of a navy quilted shirt jacket and navy jeans. Introduce a hint of stylish nonchalance to by rocking a pair of beige leather low top sneakers. As you can see here, it's extremely easy to look sharp and stay warm when cooler weather hits, all thanks to getups like this one. Perfect to portray that even as a 20-something guy you're confident enough to own your fashion choices.