This relaxed combination of a green-yellow crew-neck sweater and navy jeans is a solid bet when you need to look stylish in a flash. Complete your outfit with a pair of low top sneakers for maximum fashion points. So as you can see, this getup is a really great option, especially for transeasonal weather, when the temps are falling. This getup illustrates that as a 60-year-old gent, you still have a wide array of dressing options.