A charcoal wool blazer and black skinny jeans are a combo that every sartorially savvy gentleman should have in his casual sartorial collection. Add a pair of black leather slip-on sneakers to the equation and ta-da: the outfit is complete. Can you see how super easy it is to look stylish and stay comfortable when cooler weather comes, thanks to this look? This pairing illustrates how to keep killing in the casual style department as a gentleman in his 60s.