Patent ID: 11864626
Assignee: nan
Field: Other consumer goods (Other fields)
Classification: CPC A | IPC A

Claim 17:
18. A shoe insole comprising an inner sole comprising a forefoot interior quadrant, a forefoot exterior quadrant, a rearfoot interior quadrant, and a rearfoot exterior quadrant,
wherein the inner sole is bounded by a top surface, a bottom surface, a back surface, a front surface, an inner lateral surface, and an outer lateral surface,
wherein the top surface is bounded by the back surface, the front surface, the inner lateral surface, and the outer lateral surface at an exterior top edge,
wherein the bottom surface is bounded by the back surface, the front surface, the inner lateral surface, and the outer lateral surface at an exterior bottom edge,

wherein the inner sole has a density of greater than about 0.8 g/cm3, and
wherein the inner sole has:
a support portion in a rearfoot exterior quadrant having a thickness of greater than about 1.0 cm and one or more of a surface area of from about 12.5 cm2 to about 80 cm2 and a cross-sectional area of from about 2 cm2 to about 12 cm2;
a first cushioning portion in a forefoot interior quadrant, wherein the first cushioning portion has a density of less than about 0.4 g/cm3 and one or more of a surface area of from about 10 cm2 to about 30 cm2 and a cross-sectional area of from about 0.5 cm2 to about 5 cm2; and
a second cushioning portion in a rearfoot interior portion and the rearfoot exterior portion, wherein the second cushioning portion has a density of less than about 0.4 g/cm3 and one or more of a surface area of from about 25 cm2 to about 45 cm2 and a cross-sectional area of from about 5 cm2 to about 20 cm2,
wherein the support portion has a density that is the same as or treater than the density of the remainder of the inner sole.