For a casually dapper look, marry a crew-neck sweater with a sweatshirt — these pieces fit perfectly well together. A pair of brown suede desert boots rounds off this outfit quite well.
Crew-neck Sweater with Sweatshirt Casual Outfits For Men
This combination of a crew-neck sweater and a sweatshirt is on the off-duty side yet it's also seriously stylish and extra dapper. If you wish to instantly tone down this outfit with one single piece, introduce a pair of white leather low top sneakers to the equation.