This smart casual combination of a tan crew-neck sweater and grey plaid dress pants is super easy to put together without a second thought, helping you look sharp and prepared for anything without spending a ton of time going through your wardrobe. Loosen things up and complete this look with white leather low top sneakers. So if you're looking for an ensemble that's dapper but also totally spring-friendly, this is it. Those who wonder how to dress with style after 30, you have your answer.