This Alan Rickman foto contains
overgarment, oberbekleidung, gewand, geschäftsanzug, business-anzug, gut gekleidete person, anzug, hosenanzug, and pantsuit.
There might also be
box mantel, kastenmantel, box-mantel, pijacke, peacoat, erbsenjacke, pea jacket peacoat, greatcoat, mantel, überzieher, and decklack.