I really wish Palpatine kept his more regal appearance throughout his entire time as Emperor instead of ditching it for the raggedy black robe that made him look homeless : r/StarWars
Star Wars Darth Sidious Sheev Palpatine Cosplay Costume
Show-Off: RotJ Emperor Palpatine Robe | RPF Costume and Prop Maker Community
Palpatine's Rise of Skywalker Costume Showcased in Behind-The-Scenes Photos
I've seen a lot of posts about Palpatine's red sith robe but what about his main prequel skin that he had in both the clone wars and revenge of the Sith :
Star Wars – Emperor Palpatine – Naergi's Costuming Site