Wear a dark brown floral long sleeve shirt and dark green dress pants if you're going for a neat, fashionable getup. Slip into a pair of brown suede loafers to immediately amp up the classy factor of your outfit. As this ensemble shows, you can't think of a better option for spring and summer. As you're approaching your 30s, you want to start dressing with more polish. In this case, getups like this are a safe option.