Go all out in a dark brown suit and a beige wool turtleneck. To give your overall outfit a more relaxed vibe, why not introduce brogue boots to the equation?
Dark Brown Suit with Brogue Boots Smart Casual Outfits
For an outfit that's nothing less than envy-worthy, pair a dark brown suit with a brown trenchcoat. You can go down a more casual route when it comes to shoes with a pair of brogue boots.
A dark brown suit and a navy denim jacket are among the key items in any modern gentleman's versatile closet. A pair of brogue boots will add an easy-going vibe to this look.