Supersnow

Snowgirl is the femslash ship between Caitlin Snow and Kara Zor-El in the Arroweverse fandom.

Canon
Caitlin and Kara meet for the first time in 2016, when the Dominators threaten earth and Kara joins Team Legends, Team Arrow and Team Flash to help save the world. Kara is intrigued by Caitlin's frost powers and curious about why Caitlin is unable to join the teams as another superhero.