A black blazer look appears here as a long dark jacket with a deep front opening and a slim chain across the middle. One chain end hangs down at the side. A short black area remains beneath the jacket, but the photograph does not establish its separate construction. High dark hosiery sections, substantial shoes and a small dark bag complete the visible arrangement. The turned head and lowered hands shape the pose shown.
Use the reference to compare a defined middle with an open upper area. Try your own jacket without a chain first, then add one. This makes it easier to see whether you like the changed line or prefer a longer open front. Check where the chain end rests when you sit rather than relying entirely on its standing position.
Treat the short lower area as a separate decision. The image does not prove that every similar jacket can be worn alone. Choose your actual lower garment and inspect the hem while sitting, standing and walking a few steps. Add the bag last so you can judge its carrying position beside the belt and jacket edge.