A long sleeve t-shirt and sweatpants are essential in any modern man's functional casual collection. And if you wish to easily up the ante of your outfit with one item, complete this outfit with a pair of black and white canvas low top sneakers. If it's one of those gloomy autumn afternoons, what better to brighten it up than a on-trend outfit like this one? Those who wonder how to wear edgy off-duty looks as you progress through your adolescence, you have your answer.