If you’re a jeans-and-a-tee kind of dresser, you'll like the low-key pairing of a cable sweater and blue ripped jeans. Introduce a pair of slip-on sneakers to this outfit to take things up a notch. It's a wonderful choice when it comes to picking out a killer outfit for unpredictable fall weather. This outfit proves that as a 30-something Millennial gentleman, you have a vast array of style options.