This combination of a white cardigan and khaki chinos is on the casual side yet it's also sharp and extra stylish. Here's how to dress down this look: grey canvas low top sneakers. So so as you can see, it's a sharp, not to mention spring-friendly, outfit to keep in your seasonal wardrobe. As a guy in his 30s, you want to start dressing like an adult man. In this case, looks like this prove useful as a source of inspo.