This pairing of a navy double breasted blazer and white chinos is a fail-safe option when you need to look effortlessly smart in a flash. For a more polished touch, why not complement your outfit with brown leather derby shoes? So if it's a super hot summer afternoon and you want to look seriously stylish without putting in too much work, this look will do the job in no time. And if we're talking style for mature gents, this outfit suits almost any gentleman.