A grey waistcoat and a brown turtleneck are indispensable sartorial weapons in any modern gent's sartorial arsenal. Burgundy leather brogues look awesome here.
Brown Turtleneck with Grey Waistcoat Outfits
Marry a grey waistcoat with a brown turtleneck for an extra dapper outfit. The whole ensemble comes together if you complete your ensemble with a pair of dark brown leather chelsea boots.