A black crew-neck t-shirt and black cargo pants are bona fide must-haves if you're figuring out an off-duty wardrobe that matches up to the highest menswear standards. Infuse a more relaxed spin into your outfit by slipping into a pair of silver athletic shoes. Undoubtedly, it's easier to work through a roasting hot afternoon in a summery combo like this one. This outfit shows how teenage boys can slay in the fashion department.