Supergirl has a sleek, dark-toned suit featuring a textured bodysuit, red upper torso and arms, blue lower body, and a symbol on her chest, eschewing a cape for a minimal design with hints of Henry Cavill's Superman suit.

Kara held her Kryptonian heritage in high regard, though she refused to acknowledge General Zod and his militia as fellow Kryptonians, due to their brutality clashing with the enlightened values she was brought up with. Kara loved and dearly lamented the loss of her family.