The trench coat is an iconic piece for autumn and spring that also does an excellent job of protecting you from the inclement weather. Layer yours over everything from relaxed denim to more tailored pieces.
If you want to splurge on a luxury piece, then you absolutely must check out this Gucci Trench. This piece seems costly, but it's well worth it. While you're at it, also have a look at this Gucci Trench. Yes, this item is expensive, but it does not mean it's not worth it.