Team a blue cable sweater with a long sleeve shirt for a laid-back kind of refinement. For something more on the dressier end to finish this outfit, add black leather loafers. This getup proves gentlemen in their 40s can very well slay in the fashion department.
Such staples as a blue cable sweater and a long sleeve shirt are an easy way to inject toned down dapperness into your current lineup. If you wish to effortlessly up this look with one single item, why not introduce a pair of navy suede loafers to this getup? This combo is most probably exactly what you're looking for as a 40-something gent.