Slippers are shoes that are worn during ballet training. The ballet shoes are made of leather , linen or satin . The sole consists either of a continuous piece of suede or two pieces of leather on the ball of the foot and on the heel . They surround the foot like a second skin and, thanks to their softness, allow the floor to be felt by the foot and the foot to be easily stretched to the tip. These slippers should not be confused with pointe shoes that have hard soles and a reinforced toe. They also differ fromGymnastics shoes .