A light blue chambray dress shirt and light blue jeans are the ideal way to inject some masculine sophistication into your daily off-duty wardrobe. Dark brown suede loafers will bring a classic aesthetic to the ensemble. As a 30-year-old, you want to start dressing like a grown-up. If that's the case, getups like this are a winning option.
As you can see, looking effortlessly sleek doesn't require that much effort. Consider teaming a light blue chambray dress shirt with khaki chinos and you'll look incredibly stylish. Dark brown suede loafers will inject a dash of refinement into an otherwise too-common getup. As you can see here this getup is something you can totally wear as a gentleman in his thirties.