This combo of a white crew-neck t-shirt and grey vertical striped chinos is irrefutable proof that a safe casual getup can still be incredibly stylish. If not sure as to the footwear, introduce white and black leather low top sneakers to the equation. When real summer weather settles in you want to feel fresh and on-trend –– this look is just the one you need. This combo demonstrates how 20-year-olds kill in the style department.