When the situation permits a casual getup, consider teaming a dark green polo with navy jeans. Low top sneakers tie the look together. A vivid example for anyone who's not sure how to dress as a teenager.
Dark Green Polo with Low Top Sneakers Outfits For Men In Their Teens
This combination of a dark green polo and dark brown chinos is proof that a safe off-duty ensemble can still be really interesting. A pair of low top sneakers finishes off this getup quite nicely. A no-brainer combination proper for adolescents who prefer casual dressing outside of school.