This pairing of a black pea coat and grey chinos is a surefire option when you need to look casually classic but have no time to spare. If you need to easily play down this getup with a pair of shoes, complement this look with white leather low top sneakers. With spring in the air, it's time to put on simple and seriously stylish looks, just like this one. This combo illustrates that figuring out how to dress stylishly as a 30-year-old gent is quite manageable.