Such pieces as a red and black plaid long sleeve shirt and a red plaid long sleeve shirt are the perfect way to infuse some cool into your casual rotation. Black leather casual boots are a surefire way to bring an added dose of refinement to this ensemble. With the departure of snow come warmer afternoons and balmy nights and the need for a fresh outfit just like this one. A perfect example for any man who's still working out how to dress maturely.