To achieve a casual outfit with a fashionable spin, you can opt for a beige crew-neck sweater and charcoal jeans. Clueless about how to finish off your outfit? Rock a pair of brown suede double monks to class it up. This one is a smart idea if you're picking out a standout look for weird transition weather. After 30, you want to start dressing like a grown man. If that's the case, ensembles like this are a safe bet.