For an outfit that's very straightforward but can be modified in plenty of different ways, choose a black crew-neck t-shirt and red and black plaid chinos. If not sure as to the footwear, go with a pair of white leather low top sneakers. With springtime approaching, it's time to sport simple and seriously stylish ensembles, just like this. Men wondering how to rock cool off-duty style as you cruise through your 20s, this combination should answer your question.