Agent Provocateur Lazulie Vintage Stocking In Black. Finesse your outfit with vintage-style polish. The Lazulie stockings are 15 denier and sheer, made from a rigid nylon. These fully-fashioned pieces are created in their entirety on a special machine, ensuring a quality finish. This style features a seam at the centre back of the leg, a reinforced toe and a keyhole effect at the welt.