For a safe semi-casual option, you can never go wrong with this combo of a tan waistcoat and navy chinos. For something more on the dressier end to finish this outfit, complement your ensemble with a pair of oxford shoes.
Tan Waistcoat with Oxford Shoes Smart Casual Outfits
For an ensemble that's city-style-worthy and casually classic, wear a tan waistcoat and khaki chinos. Add oxford shoes to the equation to completely jazz up the look.