### Clue: King Charles wearing old brand, outstanding period clothing (9)
### Answer: CRINOLINE 
 ### Explanation: Definition: outstanding period clothing
=an undergarment supporting a skirt's shape outwards from the body i.e. "outstanding"
 **CR** (Charles Rex)="King Charles" + **IN**="wearing" + **O** (Old) + **LINE**="brand" as in 'clothing line'