Showcase that you do casual like no-one else by opting for a navy knit wool turtleneck and grey chinos. When in doubt as to the footwear, make charcoal canvas low top sneakers your footwear choice. So as you can see, it's super easy to look seriously stylish and stay comfortable come fall, thanks to this outfit. This is a good-looking yet mature pairing for 30-year-old men.