If you're looking for a city casual and at the same time sharp look, try teaming a dark green crew-neck t-shirt with jeans. Clueless about how to finish off? Add a pair of multi colored athletic shoes to the mix for a more relaxed spin. This outfit is a pretty good idea, especially for autumn, when the temperatures are getting lower. This outfit illustrates how to dress stylishly and look good as you go through your teenage years.