If the situation permits a laid-back look, you can easily opt for a white and blue print crew-neck t-shirt and navy chinos. A pair of black leather sandals instantly turns up the wow factor of your look. Overall, an ideal demonstration of casual fashion for gents in their 20s.
Wear a white and blue print crew-neck t-shirt with navy chinos to create an interesting and casual street style outfit. For something more on the off-duty side to complete your ensemble, complete your outfit with a pair of grey athletic shoes. After all, when do you dress casually if not in your 20s?