This off-duty pairing of a white and navy crew-neck t-shirt and white chinos is a safe option when you need to look dapper but have no time to dress up. Wondering how to finish off? Complete this ensemble with a pair of sandals for a more laid-back twist. This one is a great option when it comes to crafting a well-coordinated ensemble for summer-to-fall weather. When it comes to casual style tips for gentlemen over 30, this getup is ideal.