You'll be amazed at how very easy it is for any gent to get dressed this way. Just a grey crew-neck t-shirt and black vertical striped chinos. Introduce black leather low top sneakers to the mix et voila, the look is complete. As you might be rightly thinking, this is a kick-ass option when warmer days are here. If you frequently wonder how to dress as a 20-year-old guy, this pairing is a good illustration.