A denim jacket and a white and blue short sleeve shirt worn together are a match made in heaven. If you need to effortlessly play down this outfit with footwear, complete your ensemble with white and black leather low top sneakers. There's no nicer way to cheer up a bleak fall day than a seriously stylish look like this one. If you often wonder how to dress as a 20-year-old gentleman, this combination is a practical example.