For an effortlessly sophisticated look, choose a tan corduroy shirt jacket and a white short sleeve shirt — these pieces go really cool together. White canvas high top sneakers are a surefire way to add a dash of stylish casualness to this look. Keep this combination in your front hall wardrobe come warmer weather, and rest assured, you'll save a lot of time crafting what to wear on more than one morning. Those who wonder how to sport cool off-duty looks as you head into your 30s, this pairing should answer your question.