This modern casual combo of a black hoodie and red and white sweatpants takes on different nuances according to the way you style it out. You could take a more classic route in the shoe department by wearing a pair of low top sneakers. Keep this outfit in mind when spring comes, and we promise you'll save a lot of time getting ready on more than one occasion. If you frequently wonder how to dress as a guy in his 20s, this outfit is a safe option.