AD19R Class AD19 Astra Base Model Vamp 2 The best of both worlds in a pointe shoe! AD19 has a broad box with a shallow crown. Innovative plastic platform that not only improves the longevity of the shoe but maintains the shape of the platform and allows the dancer to be placed firmly in the center of the platform. Traditional R Class shanks are adhered to the plastic piece allowing for effective and proper roll through and engagement of the intrinsic