Such items as a long sleeve shirt and khaki chinos are an easy way to introduce effortless cool into your day-to-day off-duty collection. Desert boots serve as the glue that pulls this look together. A good illustration for any man who's not sure how to dress as a 40-year-old guy.
This is undeniable proof that a long sleeve shirt and grey wool dress pants are amazing when paired together in a classy getup for a modern gentleman. For an on-trend mix, complement your outfit with a pair of desert boots. As you see, as a 40-year-old guy, you have a wide array of sartorial options.