A black brocade blazer and a black turtleneck worn together are a perfect match. Hesitant about how to complete your look? Wear a pair of black suede tassel loafers to polish it off. This look is probably exactly what you're looking for as a 20-something guy.
Go for something effortlessly neat yet timeless with a black brocade blazer and a black turtleneck. For a smarter feel, enter a pair of black leather oxford shoes into the equation. As you're transitioning from your 20s to your 30s, you probably want to start dressing in a dressier manner. If that's the case, ensembles like this prove useful as a source of inspiration.