Go for a red and black crew-neck sweater and dress pants if you're aiming for a proper, sharp look.
Red and Black Crew-neck Sweater with Dress Pants Smart Casual Outfits For Men
Pair a red and black crew-neck sweater with dress pants to look like a perfect dandy. If in doubt as to the footwear, stick to a pair of black leather chelsea boots.
You're looking at the indisputable proof that a red and black crew-neck sweater and dress pants look awesome when paired together in a sophisticated ensemble for a modern gentleman. As for shoes, add green leather derby shoes to the mix.