This relaxed casual combo of a light blue chambray long sleeve shirt and black skinny jeans is a goofproof option when you need to look good but have zero time. On the fence about how to finish off your outfit? Rock a pair of black leather derby shoes to lift it up. Undoubtedly, it's easier to work through a roasting hot afternoon in a fresh look like this one. Those who are curious how to rock modern casual looks as you work your way through your adolescence, you have your answer.