- Size: 37.5 The ideal shoe for teachers who need a little lift during long hours in the studio. Combines the support of a 1-inch heel with the flexibility of a ballet shoe, reducing strain on the Achilles tendon and calf. Leather upper design that enhances the instep. Suede sole for perfect glide and grip. Elastic and leather strap to reduce pressure on the instep. Sizes: start with the same as your street shoe.