A long dark coat frames a waistcoat, pale shirt and patterned tie in this reference. A small chain is visible near the middle. The outer line extends beyond the inner layer and creates a different proportion from a shorter jacket. The photograph concentrates on the torso and upper legs, leaving complete footwear and lower length unresolved. Its darker colour is a visual feature rather than evidence of fabric weight or warmth.
Try the intended inner outfit first, then put on the actual coat. Compare open and fastened versions. Reach forward and bend your arms with every layer in place. Decide whether you enjoy the longer line indoors or expect to remove the coat later. These are two outfit states and both need an ordinary fitting rather than a single open-front photograph.
If you want a chain, add it after the coat and waistcoat work together. Have its attachment shown on the real garment and sit with it. Keep any alteration request clear about which piece needs work. A change to an inner jacket cannot automatically answer a question about the coat’s shoulder or sleeve space.