For an outfit that's worthy of a modern sartorial-savvy guy and effortlessly refined, wear a mustard crew-neck sweater and a dress shirt.
Mustard Crew-neck Sweater with Dress Shirt Dressy Cold Weather Outfits For Men
So as you can see, it doesn't require that much effort for a man to look effortlessly sleek. Marry a mustard crew-neck sweater with a dress shirt and you'll look incredibly stylish. Why not introduce dark brown suede loafers to this look for a hint of refinement?