This off-duty combo of a tan long sleeve t-shirt and white chinos is capable of taking on different moods depending on the way it's styled. Feeling venturesome today? Break up your getup by slipping into a pair of brown leather derby shoes. This combo is the definition of perfect for when temps are falling and fall is in full swing. As a guy in his thirties, you want to start dressing like an adult. In this case, ensembles like this are perfect as inspiration.