You'll be surprised at how super easy it is for any gent to get dressed like this. Just an olive corduroy shirt jacket and a white crew-neck t-shirt. Hesitant about how to complement this outfit? Rock black leather derby shoes to dial it up. This one is a viable option if you're on a mission for an easy-to-transition look. And if we're talking style tips for guys in their thirties, this outfit is perfect.