Maison Margiela Mm6 new double-strap Mary Jane ballet shoes zp developed a perfect replica of the French vintage style. Mary Jane loves this sweet and loopy feeling. Barbs strappy ballet shoes are made of patent leather, with three adjustable strips on the instep and ankle. Straps. They are characterized by an almond-shaped foot and a small heel with a white stitch at the back showing the hand of Maison Margiela. Upper: Original cow patent leather Lining: Imported cowhide Outsole: Genuine leather outsole Size: 35-40 (40 orders are not refundable or exchangeable),