For a look that's super simple but can be manipulated in a multitude of different ways, try teaming a charcoal shirt jacket with a crew-neck t-shirt. A nice pair of tan suede desert boots pulls this ensemble together. This look is probably exactly what you've been looking for as a guy in his forties.
Charcoal Shirt Jacket with Crew-neck T-shirt Smart Casual Outfits For Men After 40
Putting together a charcoal shirt jacket with a crew-neck t-shirt is a savvy pick for a casual yet seriously stylish ensemble. If you need to easily spruce up this outfit with footwear, rock a pair of black suede tassel loafers. This pairing shows that as a man in his 40s, you have a wide range of style options.