For laid-back refinement with a masculine spin, pair a navy overcoat with chinos. And if you wish to easily perk up your ensemble with footwear, add a pair of navy tassel loafers to the mix. If you're frequently worried about dressing maturely, this getup is a winning option.
This pairing of a navy overcoat and chinos is a safe option when you need to look casually neat but have no extra time. To bring some extra fanciness to your ensemble, introduce a pair of navy tassel loafers to the equation. A look like this will make any gent in his thirties look better than any of his peers.