When the occasion calls for a classy yet killer ensemble, pair a navy denim shirt jacket with khaki chinos. Add a pair of light blue athletic shoes to the equation to make an all-too-safe ensemble feel suddenly fresh. When it's one of those dull autumn days, sometimes only a killer outfit like this one can get you out the door in the morning. This pairing shows that as a man in his thirties, you have a wide range of dressing options.