This pairing of a grey blazer and yellow chinos is a winning option when you need to look effortlessly smart but have no extra time. And if you want to instantly perk up this look with shoes, why not introduce dark brown leather tassel loafers to the equation? As you're getting to your 30s, you probably want to start dressing more like a mature gentleman. If that's the case, combinations like this are a surefire option.