Go for a military jacket and white chinos to assemble an interesting and modern-looking laid-back outfit. The whole outfit comes together when you add casual boots to the equation. This combo is most probably exactly what you've been looking for as an older gentleman.
A military jacket and beige chinos are amazing menswear essentials that will integrate really well within your casual collection. When not sure as to what to wear when it comes to shoes, introduce a pair of casual boots to the mix. And if we're talking outfit ideas for middle-aged gents, this outfit is perfect.