A professional suit should follow the lines of your body without feeling restrictive.
A "full break" (one elegant fold of fabric) works well for conservative environments. Tailoring suits the professional way
If you button your jacket and see an "X" of tension lines, it’s too tight. A professional suit should follow the lines of
Lean against a wall. If the shoulder pad hits first and scrunches up, it’s too wide. Tailoring suits the professional way
Suggest that work best for your body type. Explain the difference between Made-to-Measure and Bespoke .