This casual pairing of a shawl cardigan and navy jeans is super easy to throw together in next to no time, helping you look amazing and prepared for anything without spending a ton of time digging through your closet. And if you wish to immediately tone down your ensemble with shoes, complete your ensemble with a pair of snow boots. A perfect example of functional style, this look must be in your closet this winter season. So if you're on a mission for dressing tips for 30-something Millennial gentlemen, this combination is a good example.