Go for a pared down but seriously stylish look combining a sweater vest and a long sleeve t-shirt. Inject a mellow touch into your ensemble by finishing off with a pair of black rubber sandals. Men who wonder how to pull off edgy off-duty looks as you are making it through your teens, this ensemble should answer your question.
Sweater Vest with Long Sleeve T-Shirt Outfits For Men In Their Teens
For an outfit that's casually smart and gasp-worthy, consider wearing a sweater vest and a long sleeve t-shirt. Play down the casualness of this getup by rounding off with a pair of black leather loafers. If you want people to see maturity in you as a teenage guy, an outfit like this is a safe bet.