PURPOSE: To provide ski boots which reduces a gap between an inner boot and a foot in a range from the arch to the instep of the foot so as to enhance the function of the ski boots, and which can cope with various foot shapes.

CONSTITUTION: In a ski boot in which an inner boot 5 is fitted in an outer shell 3, a press folding member for pressing and holding the inner side part of the inner boot 5 in a range from the arch to the instep of a foot is laid between the outer shell 3 and the inner boot 5, and the holding force of the press holding member can be adjusted from the outside.