To don an off-duty look with a modern take, rock a navy crew-neck sweater with a navy long sleeve shirt. Brown leather desert boots will tie your whole look together. As you're going through your late 20s, you want to start dressing like a grown-up. If that's the case, inspiration like this comes in useful.
To pull together an off-duty getup with a twist, opt for a navy crew-neck sweater and a navy long sleeve shirt. To introduce a little fanciness to this look, complement your look with brown leather brogue boots. Modern and age-appropriate for a 20-something gentleman, an ensemble like this will help outshine any of your fellows.