Try pairing a long sleeve shirt with a light violet crew-neck t-shirt for a sharp, casual outfit. If you're clueless about how to finish off, add a pair of violet leather low top sneakers to the mix. As you can see, as a man in his 20s, you have a wide array of sartorial options.
Go for a pared down yet casually cool outfit by marrying a long sleeve shirt and a light violet crew-neck t-shirt. Complete this outfit with a pair of black leather low top sneakers and the whole look will come together perfectly. Off-duty combos for stylish gentlemen in their 20s aren't actually that hard, as you can see here.
This combo of a long sleeve shirt and a light violet crew-neck t-shirt is proof that a safe off-duty outfit doesn't have to be boring. A pair of black and white canvas low top sneakers is a great choice to round off your look. Guys who are curious how to rock modern casual looks as you progress through your 20s, this combo should answer your question.