Why not marry a blue crew-neck sweater with blue jeans? These two pieces are very functional and will look amazing when combined together. Step up your look by slipping into black leather brogues. This combo is a bright example men in their forties can very well slay in the style department.
This outfit with a blue crew-neck sweater and blue jeans isn't a hard one to score and is easy to change throughout the day. For something more on the dressier end to complement this ensemble, throw in brown leather derby shoes. This combination looks stunning no matter what age you are.