Marrying a tan houndstooth blazer and a white and navy vertical striped dress shirt is a surefire way to infuse your styling routine with some casual refinement. Got bored with this look? Invite navy leather double monks to mix things up. When you have one of those bleak fall days, sometimes only a knockout outfit like this one can get you out the door in the morning. An amazing example for anyone who's not sure how to dress after 30.