As you can see here, looking casually sophisticated doesn't take that much effort. Just consider wearing a navy overcoat and blue jeans and you'll look incredibly stylish. If you need to effortlessly play down your outfit with footwear, complement this outfit with a pair of charcoal suede desert boots. This ensemble is an exciting idea if you're after a cool look that will take you from summer to fall. In your thirties, you probably want to start dressing more professionally. In this case, inspo like this comes in handy.