Choose a blue denim shirt jacket and olive chinos and you'll achieve a sleek and polished ensemble. Clueless about how to finish off? Round off with a pair of white canvas low top sneakers for a more casual feel. Keep this look ready to go when warmer days are here, and we guarantee you'll save a lot of time getting ready on more than one occasion. Men wondering how to wear modern off-duty style as you move into your 30s, you have your answer.