So as you can see, it doesn't take that much time for a man to look stylish. Just consider wearing a black and white suit and a white short sleeve shirt and you'll look amazing. White and black leather low top sneakers are guaranteed to bring a touch of stylish casualness to your outfit. When temps are dropping and fall is in the air, you'll appreciate how great this outfit is for unpredictable fall weather. A practical example for any man who wonders how to dress maturely as a 30-something guy.