Everyone at one point or the other needs a little excitement to that look, and that is one good thing accessories do. In the picture below Joshua Kissi of street etiquette beautifully combines few artistic accessories, I like his style.
* CXXVI beanie
* Uniqlo waffle 2-button henley
* Billy Kirk leather belt
* A.P.C Petite Standards (soft denim washed)
* Florsheim Chelsea boots