The upper design was inspired by seal-bag, and it aims to give the wearer matchless high heel shoes wearing experience. The slip-in method for the shoe upper will also change other structures on the shoe, such as the lasting of the shoe, so the upper and outsole will both be changeable. The wearer will be satisfied by its mobility functions, as the fact of tiptoe position is unchangeable when wearing high heel shoes, and the space of it to contain foot is immovable, a more scientistic and mechanics methods will be a design solution.
