Every FXL pattern starts with three numbers: fit, the cross-grain, and length. Width is the first decision, and it is never an accident.
A wide body moves air in Jakarta heat and leaves room for a layer when the air-conditioning wins. The shoulder drops so the sleeve hangs straight instead of pulling across the back.
Volume only works when something holds it. A dense rib, a tight hem, or a waistband that sits where it should keeps the shape intentional.