A black suit with a dark shirt keeps the visible upper and lower areas close within one darker direction. The straight tie has a small visible texture. The jacket is open while seated, with one hand on the chair arm and the other near the chin. The complete shoes are outside the crop. Differences between shirt, lapel and tie appear mainly through outline and light. This supplies a specific colour-and-layer idea rather than an authenticated wool type or a complete fit assessment.
If the quieter arrangement appeals, compare the dark shirt area with a lighter alternative in the actual jacket first. Keep neckwear and trousers as consistent as possible so that the difference remains clear. Add a natural standing view with full footwear afterwards. Sit again and reach forward without holding the jacket fronts by hand. Decide whether the tie should stay quiet within the dark area or create more separation. The seated look then remains useful styling inspiration while material, size and alterations are clarified through the actual garment rather than the pose.