To assemble a casual look with a clear fashion twist, opt for a long sleeve henley shirt and black jeans. To add some extra depth to this ensemble, introduce a pair of casual boots to the equation. A no-brainer combination appropriate for mature men.
For an ensemble that's super simple but can be manipulated in a ton of different ways, wear a long sleeve henley shirt and navy jeans. Introduce a pair of casual boots to the mix to kick things up to the next level. If you're wondering what you should wear as a 40-year-old guy, this combo gives a good idea.