For something on the casual end, try this combination of a grey crew-neck t-shirt and navy jeans. Finishing with a pair of brown leather loafers is a fail-safe way to bring a little flair to your look. Think it's hard for 20-something guys to nail semi-casual outfits? This combo should prove you otherwise.
For an ensemble that provides comfort and dapperness, pair a grey crew-neck t-shirt with navy chinos. Kick up the cool of this outfit by sporting a pair of brown leather loafers. A pairing to make any guy in his 20s look more high-status and mature.
This off-duty combination of a grey crew-neck t-shirt and light blue ripped jeans is a winning option when you need to look good but have zero time. For a more refined spin, introduce brown leather loafers to the equation. This pairing demonstrates that as a young adult, you have a wide range of style options.