US Patent 12059054 Insole

Provided is an insole to suppress, in a foot sole, an excessive outward displacement of the center of body gravity. An insole to be used as a shoe insole includes three areas divided from a top surface of the insole. The three areas include a forefoot area, a midfoot area, and a hindfoot area. In an outer section, all three areas are provided with an outer forefoot protrusion, an outer midfoot protrusion, and an outer hindfoot protrusion that protrude upwards from the top surface of the insole or downwards from a bottom surface of the insole. The protrusions are formed to have respective heights of protrusion distinctive from one another within a range of 0.2 mm or higher and 15 mm or lower.