If you want take your off-duty look up a notch, wear a black leather biker jacket with a grey crew-neck sweater. A good pair of black leather chelsea boots is an effortless way to give an added touch of class to your getup. So if you're looking for a modern yet age-appropriate pairing for a gentleman in his 20s, this just might be it.
Consider wearing a black leather biker jacket and a grey crew-neck sweater for a functional look that's also put together. The whole outfit comes together when you complement your outfit with a pair of grey leather low top sneakers. Sport this combination to demonstrate the world your maturity even as a gent in his twenties.