For an ensemble that's extremely easy but can be dressed up or down in many different ways, try pairing a white and black check dress shirt with black jeans.
White and Black Check Dress Shirt with Black Jeans Outfits For Men
If the occasion calls for a casually smart getup, you can wear a white and black check dress shirt and black jeans. If you wish to instantly step up this look with shoes, why not introduce a pair of dark brown leather derby shoes to the mix?