- 24Fw's new ALAIA French double-strap ballet flats are originally ballet flats with a more feminine and romantic atmosphere. With a double-buckle strap design, the traditional ballet style has more possibilities and is more compatible with contemporary fashion. Combination. Feminine ballet elements are more than one style. A combination of rigidity and softness, elegance and power is the best way to open ballet shoes. Upper: Original mesh Lining: Sheepskin lining Sole: Original rubber sole Code number: 35-39 (40, 41, 42 customization is not returnable),