Jackets

A topcoat is a full outer layer — structured at the shoulder, typically knee-length or longer, worn over a suit or sport coat. A cashmere blazer is the middle layer in a smart-casual or business outfit — structured but lighter than a topcoat, appropriate as the outermost layer in mild weather. The cashmere overshirt sits closest to the body and reads more casually: unstructured, lightweight, functioning as the outer layer in transitional weather or as a refined layer at home.