Teaming a charcoal blazer and black jeans is a surefire way to infuse masculine sophistication into your current lineup. When not sure about what to wear in the shoe department, complete your getup with a pair of casual boots. Rest assured, this combo will keep you toasty as well as looking stylish in this weird fall weather. As you can see, as a 20-year-old gentleman, you have a vast array of sartorial options.