I don't take full credit for this discovery, but it seems the thin capes from the Mandalorian battle pack look great as enhancements for minifigs with cloak/robe prints. : r/lego
LEGO Star Wars Cloth Cape For Han Solo Mudtrooper / Mimban Stormtrooper Minifigure Rare Piece #62977 #LE0844 - BrickResales Pty Ltd
Amazon.com: LEGO Minifigure Accessory: Authentic Black Cape : Toys & Games
Minifigure Cape Cloth, Standard - Starched Fabric - 4.0cm Height with Dark Red and Dark Bluish Gray Sides with Dark Slashes Pattern (General Grievous) : Part 522px3 | BrickLink
LEGO® Cloth Cape Lion Knights yellow – Hall of Bricks
Minifigure Cape Cloth, Standard - Traditional Starched Fabric - 4.0cm Height : Part 522 | BrickLink
LEGO® Red Cape (newer spongy version) - LEGO figure accessory - The Brick People