This combo of a light blue denim shirt and a black crew-neck t-shirt is devastatingly stylish and yet it looks casual and ready for anything. Play up the formality of this ensemble a bit by wearing dark brown suede casual boots. Seeing as the weather is getting colder every day, this ensemble is a nice idea for the time in between seasons. Those wondering how to rock edgy off-duty dressing as you move through your 20s, this getup should answer your question.