Consider pairing a navy dress shirt with a navy suit for outrageously dapper attire. Finishing with a pair of athletic shoes is a fail-safe way to inject a mellow touch into this ensemble. As a gentleman in his thirties, you want to start dressing like an adult man. That's when getups like this come in very handy.
Combining a navy dress shirt and blue check dress pants is a surefire way to inject your day-to-day repertoire with some rugged refinement. Take this ensemble in a whole other direction by slipping into athletic shoes. As a gent in his thirties, you want to start dressing like an adult. In this case, looks like this prove useful as a source of inspo.
This combination of a navy dress shirt and a green suit is the picture of masculine elegance. Give a more informal twist to this outfit by finishing with a pair of athletic shoes. In your 30s, you want to start dressing more maturely. In this case, inspiration like this is very useful.