Go for a pared down but at the same time casually cool option pairing a zip neck sweater and dark brown sweatpants. When it comes to shoes, go for something on the laid-back end of the spectrum by finishing with silver athletic shoes.
Silver Athletic Shoes with Zip Neck Sweater Cold Weather Outfits For Men
If you enjoy comfort dressing, consider pairing a zip neck sweater with white chinos. As for the shoes, you could stick to a more casual route with a pair of silver athletic shoes.