A navy fair isle crew-neck sweater and black chinos paired together are a perfect match. Want to play it up when it comes to footwear? Introduce brown leather casual boots to the mix. Can you see how very easy it is to look sharp and stay cozy when colder weather arrives, all thanks to combos like this one? As you're going through your teens, you probably want to start dressing more like an adult. If that's the case, getups like this are perfect as inspiration.