What size Latin dance shoes should I wear with a foot length of 2 1 cm?

Foot length 2 1 cm, wearing 32 ~ 33 yards of Latin dance shoes. Latin dance shoes with a foot length of 2 1 cm need 32-33 yards, and the shoe length refers to the length of the last. The clear length of the foot is 2 1 cm, so extra space must be left for the foot, so choose shoes about 22 cm, that is, choose shoes of 32-33 yards.