As first seen on blog "Letoile du phare" here: PICHI
She is wearing tights similar here: Black Semi Opaque Tights
Semi-opaque black slenderizes the look of these finely knit Italian tights.
Junya Watanabe Pink Block-colour Tights
Express Swiss Dot Full Tights
Nasty Gal Sheer Genius High-Waisted Striped Tights