Possible Clues:

• Set of rules for some who are buttoned up?
• It may forbid offensive T-shirts
• Company's apparel rules
• Acceptable habit?
• Business casual, e.g
• Style guide?
• Black tie or smart casual, for example
• Information on what to wear (or not)
• Different doctors, one from the East in lesser sleeveless uniform
• Little number on morality pulls up Jean¿s white socks