A costume that Kinomoto Sakura wears in the 90s anime, specifically in episode 3 when she captures the Watery (Clow Card) Card. Be sure not to confuse this outfit for her Fluffy Sheep costume from episode 52, or her Water Drop costume from Clear Card Arc.
She wears a blue Jester Cap, a white jester-themed dress over a Blue Leotard, blue Elbow Gloves, and blue pointed shoes.