Costume Designer and Concept Artist Greg Hops has shared a gallery of images of unused costume designs from Season 3 of “Supergirl”.
Created together with designer Amanda Riley, the costumes were designed for members of the Argo High Council, who Kara met when she and Mon-El discovered that Argo city had survived the destruction of Krypton.
I go back and forth about whether the S should be a Kryptonian symbol or just a cool S (I’ve seen stories where it works either way). But I like these.