Abstract: A shoe has an upper (2a, 2b) that is provided on a midsole (1) to form an internal space for accommodating a toe between the midsole (1) and the upper (2a, 2b). The upper includes an upper body 2a fixed to 1, a movable toe portion 2b that can be connected to an end portion of a toe side of the upper body 2a and is freely rotatable around the end portion so as to approach the upper body 2a, and a pair of fixtures (3a to 5a, 3b to 5b) provided on outer surfaces of the upper body 2a and the movable toe portion 2b, wherein the inner space can be opened outside the shoe at the toe side by rotating the movable toe portion 2b, and the internal space can be kept opened at the toe side by fixing the rotated movable toe portion 2b on the outer surface of the upper body 2a by the fixtures (3a-5a, 3b-5b).