So as you can see, looking casually sleek doesn't require that much effort. Try teaming a white vertical striped dress shirt with blue jeans and you'll look awesome. And if you want to easily bump up this outfit with footwear, introduce white suede derby shoes to the mix. It is actually possible to look light and breezy under the sweltering heat. The proof is right here When it comes to dressing ideas for 40-year-old men, this outfit is ideal.