A ski boot having a rigid shell base including an overlying upper equipped with a front cuff and rear collar, both these elements pivoting with respect to the shell base, one in the front zone of the boot, the other in the zone of the malleoli, wherein the front cuff at least partially covers the front slitted upper portion of the shell base, from the tibial support zone of the boot by passing through the zone corresponding to the flexion fold to the zone of the foot corresponding to the metatarsus, where it is pivotably mounted with two journal hooks extending vertically from each side of the boot, each of the two journal hooks being connected to the walls of the shell base by a journal axis localized in a zone demarcated, on the one hand, longitudinally by two transverse vertical planes with respect to the plane of the sole of the shell, and on the other hand, by a plane parallel to the plane of the sole and separated from the latter by a distance approximately equal to the distance of the height of the instep with respect to the plane of the sole, and wherein the plane passes through a point located in the flexion fold zone of the boot, and wherein the plane passes through the point corresponding to the head of the first metatarsus.
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