A short sleeve shirt and navy jeans? This is easily a wearable look that you could sport on a daily basis. If you need to instantly perk up this look with one item, add double monks to the equation. Looks like this have a sophisticated air that suit 40-something gents very well.
This casual combination of a short sleeve shirt and mint print chinos is a foolproof option when you need to look dapper in a flash. And if you need to immediately level up your outfit with shoes, throw in a pair of double monks. This pairing shows that figuring out how to dress well as you age into your 40s is not that daunting a task.