Why not pair an olive shirt jacket with jeans? As well as super comfortable, both of these items look awesome when worn together. A nice pair of black low top sneakers is a simple way to give an air of stylish effortlessness to your outfit. This pairing is a huge inspo to anyone who was doubtful about donning casual outfits as a guy in his 40s.
This ensemble with an olive gilet and jeans isn't so hard to pull off and is open to more experimentation. A pair of black low top sneakers looks awesome complementing this ensemble. Perfect if you're looking for some seriously inspiring style for 40-year-old guys.
This ensemble with a black leather bomber jacket and jeans isn't super hard to pull together and is easy to change throughout the day. Let your sartorial credentials really shine by finishing this ensemble with a pair of black low top sneakers. Casual getups for stylish mature guys aren't actually that hard, as you see.
If you appreciate relaxed dressing, consider wearing a black crew-neck t-shirt and jeans. Black low top sneakers tie the getup together. This getup should clear any doubts you had about wearing casual clothes as a middle-aged gent.