If you prefer a more casual approach to dressing up, why not opt for a light blue denim jacket and teal chinos? Go ahead and throw a pair of tan suede derby shoes into the mix for an added dose of elegance. Wondering what you should wear as you step into your 30s? This combination is the perfect answer.
Rock a navy print cotton blazer with teal chinos and you'll ooze manly refinement and polish. You could perhaps get a bit experimental when it comes to shoes and polish off your look by slipping into a pair of tan suede derby shoes. As a 30-year-old gent, you probably want to start dressing like an adult man. In this case, getups like this are ideal as inspiration.