After Kivas hits Data with the acid in "The Most Toys" ( https://memory-alpha.fandom.com/wiki/The_Most_Toys_(episode) ), he presents the android with a choice: run around naked, or change into the purple clothes which were refused earlier. Data chooses the latter option. What is the in-universe reason for this? Data did not want to put the clothes on earlier, and he wouldn't be embarrassed or cold if he was naked. I guess the most reasonable explanation is that Data, as a Starfleet officer, would want to emulate a typical Starfleet officer in that situation. And the proper thing to do would be to appear presentable, even if it meant donning undesirable clothing. Answer Kivas Fajo suggests that Data will probably follow the rules of decency prescribed by Starfleet training: FAJO: Oh, don't worry. The solvent won't harm your, your skin. But in seconds it will completely dissolve that uniform. Personally, I'd be delighted to see you go around naked. I assume y...