There is a version of this subject written in adjectives. We would rather write it in measurements.
Fit does the work
A shoulder seam that ends where your shoulder ends changes your posture before you have decided to stand differently. A trouser broken once, not three times, changes your stride. Neither of those is a mood. They are dimensions, and they are the reason a well cut garment reads as ease rather than effort.
What people actually read
Not the fabric. Not the label. They read proportion, and they read it in about a second: where the jacket ends against the hand, whether the lapel is in scale with the chest, whether the collar sits flat. Get those three right and nothing else has to be loud.
The part that compounds
Clothes that fit get worn. Clothes that get worn stop being a decision every morning, and the attention goes somewhere more useful. That is the whole mechanism. It is less romantic than it is usually described, and it works.
Where bespoke comes in
Ready to wear is cut for an average of many bodies. Bespoke is cut for one. Three fittings, Italian cloth, and a pattern that belongs to you and stays on file. The first fitting is the only one that takes long.