As first seen on blog "Vixen Fashion" here Gray dress with turtleneck
She is wearing tights similar here: Black Supper Matte Opaque Tights
Comfortably warm and super soft the ultimate in opaque.
Junya Watanabe Pink Block-colour Tights
Express Swiss Dot Full Tights
Nasty Gal Sheer Genius High-Waisted Striped Tights