As first seen on blog "Graffiti's Diaries" here: The dress-sweater
She is wearing tights similar here: Black Semi Opaque Tights
These semi-opaque tights feature long-leg panties that shape and smooth the body.
Junya Watanabe Pink Block-colour Tights
Express Swiss Dot Full Tights
Francescas Dalis Silver Opaque Tights