A blue blazer and a dress shirt are a good combo that will get you the proper amount of attention. Black leather derby shoes integrate wonderfully within a ton of outfits. As you're progressing through your late 20s, you want to start dressing in a more sophisticated manner. In this case, outfits like this are ideal as inspiration.
Blue Blazer with Dress Shirt Dressy Warm Weather Outfits For Men In Their 20s
Make a blue blazer and a dress shirt your outfit choice for polished style with a modern take. If you're on the fence about how to finish off, complete your look with black suede loafers. This pairing shows that as a younger gent, you have a vast array of styling options.