We all seek functionality when it comes to styling, and this edgy combo of a black and white print crew-neck t-shirt and olive sweatpants is a practical example of that. Complete this getup with a pair of charcoal athletic shoes et voila, this outfit is complete. Come hot sunny days you want to feel comfortable and stylish –– this ensemble is just the one you need. All in all, a perfect example of casual fashion for 20-year-old guys.