If it's comfort and functionality that you're looking for in a look, try pairing a long sleeve shirt with black skinny jeans. For something more on the daring side to round off this ensemble, complement your ensemble with white and black high top sneakers. So as you can see, it's a knockout, not to mention spring-appropriate, look to have in your seasonal arsenal. When it comes to casual dressing ideas for maturing gents, this combo looks cool on most guys.