This casual pairing of a light blue polo and white linen chinos is super easy to throw together without a second thought, helping you look amazing and ready for anything without spending too much time digging through your closet. You could stick to the classic route with footwear by slipping into dark brown suede loafers. As a 30-something Millennial guy, you want to start dressing like a grown-up. In this case, ensembles like this are ideal as inspiration.