Such pieces as a polo neck sweater and white chinos are the perfect way to introduce extra sophistication into your casual styling routine. If you wish to easily amp up your getup with footwear, complete this ensemble with a pair of tassel loafers. As you're transitioning from your 20s to your 30s, you want to start dressing like a grown-up. In this case, getups like this prove useful as a source of inspo.