Go effortlessly sleek by opting for a long sleeve t-shirt and a beige suit. Add a pair of tan low top sneakers to the equation to keep the getup fresh. Both stylish and summer-appropriate, you can wear this look throughout the summer season. As you're progressing through your late 20s, you probably want to start dressing like an adult. In this case, ensembles like this prove useful as a source of inspo.