Demonstrate that no-one does semi-casual men's fashion like you in a puffer jacket and a turtleneck. For something more on the sophisticated end to finish off your ensemble, complete this getup with a pair of black leather chelsea boots. It goes without saying that this one makes for a good, spring-friendly ensemble. As you're progressing through your late 20s, you probably want to start dressing in a sleeker manner. That's when looks like this are a winning option.