For a surefire classic and casual option, you can't go wrong with this combo of a navy and white crew-neck t-shirt and dress pants. Hesitant about how to round off this outfit? Rock aquamarine suede loafers to rev up the style factor. Take cues from ensembles like this if you want to add more gravitas to your 20-year-old's wardrobe.
So as you can see, it doesn't require that much effort for a man to look effortlessly polished. Choose a navy and white crew-neck t-shirt and dress pants and be sure you'll look incredibly stylish. Introduce a pair of brown leather loafers to your outfit for extra fashion points. Combos like this have a sophisticated air that befit guys in their late 20s really well.