For a foolproof smart option, you can't go wrong with this combination of a black double breasted blazer and cargo pants. You could take the casual route with shoes by rocking a pair of desert boots. So take cues and be the sharpest dressed gentleman in the room.
Cargo Pants with Desert Boots Warm Weather Outfits After 50
This combo of a brown windbreaker and cargo pants is on the casual side yet it's also sharp and seriously sharp. Don't know how to finish your outfit? Finish with desert boots to spruce it up. Casual combos for middle-aged guys aren't actually that hard, as you see.
A black wool blazer and cargo pants? This is easily a wearable ensemble that any guy could wear a variation of on a daily basis. Complete this ensemble with desert boots and ta-da: the ensemble is complete. Wondering how to dress your age in your fifties? This ensemble is a great illustration.