If you don't like being too serious with your ensembles, try teaming a shirt jacket with a hoodie. For something more on the casually cool side to finish off this ensemble, introduce black athletic shoes to this look.
Hoodie with Shirt Jacket Relaxed Outfits For Men
A shirt jacket and a hoodie are a combo that every trendsetting man should have in his closet. And if you need to immediately tone down your ensemble with one single item, why not complement your ensemble with a pair of grey athletic shoes?